Convert 1CH HDMI signal input into 1CH optical fiber signal and 1CH coaxial signal output. | Has digital audio output format of LPCM2.0/DTS/DOLBYAC3, up to 192KHz sampling rate. | Use optical fiber cable with line loss less than 0.2dB/M, optical fiber output distance can reach 30m/98.4ft, and standard coaxial cable output can reach 10m/32.8ft. | Supports LPCM2.0/DTS/DolbyAC3 HDMI input audio format and LPCM2.0/DTS/DolbyAC3 digital audio output format. | Built to meet standard specification, and strictly follow factory quality control.

In transmitter mode or receiver mode, it can be paired with 2 Bluetooth devices or speakers at the same time. | After a charge, the Bluetooth 2-in-1 transmitter receiver can be used continuously for about 26 hours at most, and it can be used while charging. | In the high range of up to 10m, the signal transmission is not restricted. | Builtin optical fiber and 3.5mm interface, can be used as Bluetooth adapter, which is fit for TOSLINK and 3.5mm BT converter. | Suitable for Android, for IOS system mobile phones and all Bluetooth audio devices.

Portable Carrying Handle: Opening reel recording tape box case has a carrying handle that is perfect for hanging up without taking up other space. | Full : 10 inch empty tape reel storage box is made of plastic material that provides excellent against scratches, shocks, and dust. | Keep Stable: Open reel recording tape box case holds your tapes tightly in place to prevent shaking and accidental opening, keeping your tapes organized and easier to remove. | Label Paper: Empty tape reel storage box comes with label paper on the back for notes on artist, client, producer, engineer, speed, tape, level, dub, position, sound, auto, assistant, date, take, title, time. | Compatible: Opening tape storage box is compatible with all 10 inch empty tape reels without aluminum trays. | | | | |

USB audio controller, support sampling rate of 32KBz, 44.1khz (driver or application support is required for the two) and 48KHZ in digital recording, 48KHZ in analog recording, and 48KHZ in digital/analog audio playback. | In digital playback mode, it receives audio streams from the PC via USB port and transmits audio data according to AES/EBU, IEC60958, SPDIF interface standards. | Only R and L channel PCM audio of 5.1 channel can be transmitted in digital playback. In analog play mode, it supports 6-channel codecs for analog play. | In digital recording mode, it receives SPDIF digital audio input and sends it back to PC via USB. | Adopt high quality material, sturdy and durable, long service life, stable performance.

Offline Access: This time clock recorder can be used without internet access, and it can automatically generate reports, and and you can download attendance data via USB flash drive. | 2.4 Inch Display: This biometric fingerprint machine is designed with 2.4 inch display and supports intelligent update. | 2 Ways Identification: This biometric fingerprint machine completes the registration and punch‑in by verifying fingerprints, freely sets the working time period, and it supports fingerprint and password verification. | 1000 Users Capacity: This fingerprint attendance machine is suitable for small enterprises, widely used in offices, factories, hotels, schools, restaurants and other workplaces, the maximum capacity is 1000 user fingerprints. | Easy to Edit: You can use the keyboard to edit employee information, register fingerprints, set working hours, and download attendance data.

Product Compatibility: Camera flash diffuser is suitable for 320EX flash, providing you great shooting experience. | Easy to Install: The bounce dome diffuser for 320EX flash is simple to install, and can be used directly on the set top flash. | Portable Size: The camera flash diffuser is small and portable, providing you with soft lighting during the journey. | Reliable Performance: After using the set top flash diffuser, the shooting object can be well wrapped by light, and the light can be more evenly distributed to a wider area. | Wide Application: Diffuser for 320EX flash is very suitable for weddings, portraits, outdoor activities, fashion, product display photos, etc.

WIDE CPU COMPATIBILITY: This H310 utilizes the LGA 1151 for slot, the computer motherboard can support 8th and 9th generation (for Ivy Bridge) for CPUs, providing versatility and flexibility for different CPU choices. | Dual Channel DDR4 Memory Slot: for motherboard supports two 16GB DDR4 memory and 1066 1333 1600MHz effective frequency standard, dual channel architecture supports up to 32GB x 2 DIMM slots. | STABLE POWER SUPPLY: This micro ATX motherboard for processors features a three phase power supply, all solid state capacitor design, and 24+ power sockets to ensure stable operation of motherboard accessories. | HIGH SPEED CHIPSET: This micro atx ddr4 motherboard utilizes the high speed for H310 chipset to provide reliable performance and stability for a variety of computing tasks and applications. | INTEGRATED GRAPHIC PROCESSOR: Equipped with an integrated graphic processor and multiple display ports (DVI, HD Multimedia Interface compatible, VGA), this computer motherboard allows you to easily connect and use multiple monitors for work or entertainment.

Compatible Device: This numeric keypad has wide compatibility, and fit for Win, for Android, for OS X system, suitable for smartphones, laptops, desktops, tablets, for OS X Pro Air, and more | Power Supply: Built in 350mAh lithium ion battery, with a standby time of up to 120 hours when fully charged, supports Type C cable charging, and automatically enters sleep mode when not in use | Connection Modes: This numeric keypad supports multiple connection modes, 2.4G , BT5.0 and BT3.0, which can be switched between different devices, providing a simple and fast input experience | 35 Keys Design: This number keypad provides all numbers, home, end, tabs, up or down page dedicated control key, calculator key, screen catch key, and other keys, to improve data input speed and accuracy | Sturdy and Practical: The keypad is made of ABS, stylish and sturdy; Ergonomic tilt, scissor key, and back non slip pad provide better comfort; With automatic sleep function, press any key to wake up the keypad

【DUAL MODES CONNECTION】This number pad with touchpad adopts BT and 2.4G connection, which ensures fast connection. | 【WIDELY COMPATIBLE】This number pad with touchpad is suitable for Win, for IOS, for Android and for OS X. | 【TOUCH PAD】This number pad with touchpad is also equipped with a touch pad that could provide you with more control experience. | 【PORTABLE SIZE】This number pad with touchpad is small in size and light in weight, very convenient and portable. | 【500MAH BATTERY】This number pad adopts inbuilt 500mAh battery, and providing maximum 10.9yd distance. | | | | |

23 FULL SIZE KEYS: The number pad has 23 full size number keys, easy to identify, suitable for data entry and improve accuracy | CONVENIENT AND PRACTICAL: The number pad contains backspace key, one key home key, tab key, e mail key, one key calculator key and number lock, suitable for accounting | COMFORTABLE TOUCH: The number pad is ergonomically designed to avoid wrist strain. Just plug in the USB to use, no drivers or installation required | LOW NOISE: Membrane key switches can reduce typing noise, improve response. Has a life span of 5 million keystrokes | SCOPE OF APPLICATION: Suitable for laptops and desktop computers with for Win 2000, for Win XP, for Win Vista, for Win 7, for Win 8, for Win 10 or for Linux operating systems

High Speed: This NGFF M Key to M.2 NVME SSD adapter adopts high speed signal enhancement technology, which ensures full speed transmission. | Accurate Structure: This NVME NGFF to SFF 8639 adapter features accurate structure design, which supports NVME SSD and SATA NGFF SSD. | Indicator Function: This NGFF B Key to M.2 SATA SSD adapter has two groups of 5A high power DC T0 DC power supply module. With switch indicator function. | Easy Installation: With the screws and screwdriver in the package, this adapter can be easily installed. | Stable Performance: This NGFF M Key to M.2 NVME SSD adapter adopts PCE3.0X4GEN3 design, which ensures stable performance.

With CMI/HT8738 chip, the signal‑to‑noise ratio of the chip reaches 120dB, the PCI interface has full‑duplex playback and recordable 3D spatial positioning sound effects, and supports 3D Direct sound and A3D interface. | This sound card is compatible with for Windows 98 / Windows2000 / XP / NT signal voltage (0.5V~5V). | This sound card supports 4-channel surround sound output, supports DLS sound library technology, supports A3D 1.0 and DS3D, supports DirectSound 3D and EAX sound effects and also 24-bit SPDIF, OUT and SPDIF at the same time, and the optical fiber input and output through the daughter card. | The card is compatible with music synthesizers, traditional sound cards, and supports full-duplex recording and playback. | With music-SPDIF digital audio indicator, 24-bit stereo 44KHz sound recording and playback, 120dB complete sound quality and dual playback recording are supported by this card.

SUPERIOR SOUND: Sound card adopts superior sound , supports direct conversion from various sound devices to MP3 and WAV formats, sound quality is more excellent. | SOUND EDITING: Sound card comes with professional sound editing software for Audacity, which can perform various processing on the sound, such as splitting, integrating, cutting, and reducing noise. | STEREO SOUND EFFECT: USB 2.0 sound card supports dual channel stereo sound , which can realize more vivid stereo sound effect. | WIDE SYSTEM COMPATIBILITY: USB 2.0 sound device is compatible with a variety of operating systems, a wide range of applications to meet the needs of different users. | COMPACT AND PORTABLE DESIGN: USB 2.0 sound device is designed to be compact and portable, supporting hot plugging and unplugging, easy to carry and use.

OTG Digital Interface: This live sound card provides lossless sound and supports OTG digital interface. Support three mobile phones live broadcast at the same time, double microphone, double headset use. | Strong Compatibility: This sound effects board is compatible with phone and computer, plug and play, compatible with all kinds of karaoke live software. | With BT Accompaniment: This sound board supports BT accompaniment, and it can cancel the original accompaniment. Adjustable recording accompaniment. | Intelligent Noise Cut: This voice changer mixer adopts intelligent noise cut that retains the voice integrity. Changeable voice, magic sound, electronic music, etc. | Wide Application: This sound effects machine is widely used in home karaoke, voice chat, live, periscope, livestream, tiktok, wechat, etc.

EXTRA WIDE HANDLES: Shockproof projector case is designed with a wider carrying handle, which is well designed and reduces the pressure on your hands. | TWO WAY ZIPPER: Projector carrying bag is designed with two way zipper, more convenient. Non slip base, easy to place and anti wear. | SAFE AND SECURE: Projector carrying case is made of 360 degree thickened elastic pearl cotton, shockproof and pressure reduction, safety protection. | TROLLEY STRAP DESIGN: Portable projector bag adopts back zipper strap design, more convenient for traveling and traveling, mobile office needs. | APPLICABLE : Projector case is suitable for BenQ, for Sharp, for Vivitek, for Optoma, for NEC and other brands of projectors. | | | | |

LIGHTWEIGHT AND COMFORTABLE: Monaural headset features an ultra lightweight design to ensure you focus on your conversation and comfortable to wear. | EASY TO USE: Single ear telephone headsets plug and play, no driver required, easy to use. Suitable for cell phones, telephones, desktop computers and laptops. | NOISE CANCELLING: Single ear headset features a noise cancelling design that provides clear conversations even in noisy environments. The built in HD microphone makes your voice and clear. | DESIGN: Single ear office earpiece is designed with rugged construction and materials to ensure superb performance and make it . The long headset cord provides flexibility for mobility. | WIDE COMPATIBILITY: Single ear office headset is ideal for home and office, call centers, telemarketing, insurance, customer service, teleconferencing, etc. | | | | |

Does not need any refrigerant, can work continuously, no pollution source, no rotating parts, no rotation effect, no sliding part. A solid piece without vibration, noise, possess long life and easy installation | Semiconductor refrigeration fins support both cooling and heating. The cooling efficiency is generally 5560%, but the heating efficiency is very high and always greater than 1. Therefore, one piece can replace separate refrigeration system and heating system | The semiconductor refrigeration chip is a currenttransducer type chip. Through the control of the input current, highaccuracy temperature control can be realized. Coupled with temperature detection and control means, easily realize remote control, program control, and computer control to form an automatic control system | Thermal inertia of the semiconductor cooling fin is very small, and the cooling and heating time is very fast. When the hot end has good heat dissipation and the cold end is empty, the cooling fin can reach the maximum temperature difference in less than one minute | Semiconductor refrigeration fins are suitable for power generation in the middle and low temperature areas. The reverse use of semiconductor refrigeration fins is thermoelectric power generation | | | | |

This portable and light audio emitter and rceiver suitable for various situation and function as ideal audio solution. | Transmitter mode transimt the audio from non‑bluetooth TV, home stereo audio system or CD palyer to headset bluetooth or speaker. | Accepter mode support transmit the audio from phone bluetooth, PC or computer to wired stereo, speaker or headset by . | Advanced Bluetooth 5.0 enable your Bluetooth adapter to backward compatible with devices Bluetooth 4.2/4.0/3.0/2.0. | The longest operate distance can reach 10m/ 32.8ft, let you realize long‑diatance connect and use to convenient your work. | | | | |

Compact and portable, small and lightweight, convenient for carry, plug and play without power supply. | Highdefinition, no stutter, can collect video and audio at the same time, support for Windows/Android/OS X system. | The audio and video can be transmitted to the computer and smart phone for preview and storage. | Suitable for acquisition, teaching recording, medical imaging, etc., supports most acquisition software, such as for VLC/OBS/Amcap etc. | Realize preview, record, collect, live broadcast and other functions, video capture complies for UVC/UAC standards, easy to use. | | | | |

TAPE TO MP3 FORMATS: The tape to MP3 converter converts tapes to MP3, quickly converts old tapes to MP3 format via Type C cable, suitable for laptop CD disc carving machine. | AUTO REVERSE: Portable bluetooth cassette player has an automatic reversing function, you can use the "DIR" button to quickly flip the tape and use the left or right "play mode "button on the left or right side to rewind once or an unlimited number of times. | COMPATIBLE WITH 3.5 MM AUX JACKS: portable tape to MP3 converter works perfectly with any standard 3.5 mm AUX jack, so you can use the sound port of your headphones, earbuds or car speakers. | CLEAR SOUND QUALITY: Cassette to MP3 converter can provide crystal clear sound from even the oldest bands by transferring tape to MP3 in a quiet room. | COMPATIBLE WITH STANDARD HEADPHONES: Portable tape to MP3 converter has a lightweight, compact size that is more than just a recorder and works perfectly as an old fashioned music player with any standard headphones.