Input & Output Support: Our splicing controller supports HDMI/DVI/RS232 input. You can also play and stitch various videos, pictures, mp3, and documents through the USB interface, support video pause, fast forward, loop playback, program list and other functions, and support the playback of rolling subtitles. Computers, laptops, set-top boxes, DVD players, PS3/4 can all be perfect sources. | Multi-splicing Modes: Our video processor can output from 4 channels, support multiple modes display 2x2, 1x2, 1x3, 1x4, 2x1, 3x1, 4x1. It has strong compatibility and supports most brand products on the market. Suitable for LCD TV, projector, DLP, plasma display, etc. Let us enjoy movie-level picture quality at home at any time. | HD Display: The video wall display has the AUDIO own audio decoding and separation output port, which can be connected to audio, Input devices can support up to 4k, but output devices up to 1080P, restore the original appearance of the image, and present a natural and complete picture, no details are missed, and the colors are real and clearly visible. | 180 Degree Flip: In 2x2 mode, the TV wall processor also has the function of 180 degree mirror flip per screen, which greatly reduces the LCD splicing gap and reduces the image distortion caused by excessive side seams. | Remotely Control: The splicing processor does not need computer control, plug and play, no driver, and can be remotely operated directly through the remote control. The IR receiving port of the infrared remote control has a quick setting function.

3.5-inch ultra-thin and lightweight USB external floppy disk is easy to carry, excellent for desktop and laptop computers. | External floppy disk is with USB interface, which can be compatible with USB 1.1 / 2.0 / 3.0. | Supported operating system is for Windows 10 / 7 / VISTA / Windows 8 / XP / / 2000 / SE / 98. | High-quality floppy drive disk keeps durable and very beautiful hard plastic shell. | Powered directly from the USB port, floppy disk is without external power supply with strong anti-jamming capability.

High-Quality Sound: The high-fidelity speaker of this helmet speaker delivers exceptional sound quality, providing you with an immersive audio experience while riding your motorcycle. | Hands-Free Calling: This headset supports hands-free calling, enabling you to stay connected while keeping your hands on the handlebars and ensuring your safety on the road. | Durable Material: Made of high-quality ABS material, the shell of the helmet speaker is sturdy, wear-resistant, and durable, ensuring a long-lasting use. | Easy Installation: With its plug-and-play design and self-adhesive tape sticker and hook&loop closure, this helmet speaker is effortless to install in your motorcycle helmet, allowing you to enjoy music and answer calls while riding. | Wide Compatibility: Compatible with 3.5-port audio equipment such as IOS, Android, MP3, and computers, this helmet speaker has a broad application range, making it suitable for various devices. The 1.2m/3.9ft cable length of the headphones ensures freedom of movement while riding.