10 Multi Media Keyboard with three color backlight and full function for both home entertainment and office use 1. Features - Full QWERTY keyboard - Touch panel switch to digital mode or mouse touchpad mode - Backlit keyboard for convenient operation in darkened room - Ultra-sensitive mouse touchpad - Supports multi-touch gesture and Scrolling bar - Supports multi language 2. Specifications - Wireless connection - Max Distance:10 m - Power Supply:DC 4.5V(1.5V 3A battery x 3) 3. Physical Parameter - Size:314 x 112.5 x 17mm - Weight:218g 4. Supporting System - Windows - Linux - Mac OS - Android/Google/Smart TV OS 5. Application - PC Keyboard for Home entertainment multi-media Education Training Conference presentation controlled with computer. - Wireless keyboard for Google/Android/Smart TV