Suitable for MP3, MP4, MP5, mobile phones, computers and other devices with a 3.5mm audio jack. | Comes with an audio cable at the bottom of the speaker. Equipped with a USB charging cable. Unique design -- Retractable speaker. | Low voltage, low power consumption, power amplifier IC, pure sound quality, low distortion. | Built-in 180mah battery, no external power supply needed, provides one and half hours of playing time at maximum volume, or about 3 hours at 50% volume. | Small and lightweight, hook hole design, easy to carry.

Multi Layer Nano Coating Process: Using multi layer nano coating process, the lens is waterproof, oil proof, dirt proof and scratch resistant, which can protect the lens from dust. | Orange Filter: Mainly used for sunrise and sunset photography, can make the originally monotonous sunrise and sunset scene into more layered and dynamic. | Red Filter: Apply to enhance the hue of red in the picture, so that the scene is more vivid and layered, it is a edge tool for shooting maple leaves, sunrise, sunset, burning clouds or desert scenes in the evening. | Yellow Filter: Suitable for wheat, grassland, rape flower, and so on, gorgeous color, which is one of the most important filters for photographic art creation. | Green Filter: Apply for grassland, forest, green leaves, highlight background color and the corresponding shooting hero.

Plug and play: This number pad and mouse combo is plug and play, there are no drivers to install, providing more convenience. | 2.4GHz Wireless: This number pad and mouse combo adopts 2.4GHz wireless technology which ensures more stable performance. | 1200 DPI: 1200 DPI responsive mouse provides one click with a flexible dot, Improving the efficiency of your work. | Portable Size: This number pad and mouse combo is small and portable, suitable for home, office and travel. | Wide Compatibility: This number pad and mouse is suitable for Win 2000, for Win XP, for Win Vista, for Win 7, for Win 8, for Win 10 operating system.