iPazzPort KP-810-19S 3 in 1 2.4GHz Mini Wireless Air Mouse Handheld Full QWERT Keyboard with Touch Pad English / Russian Version1. Features and Specifications- Wireless connection- QWERTY keyboard- Support Multi-language- Ultra sensitive Multi-touch- Working voltage: 3.3V- Power supply: DC 3V(1.5V AAA battery X 2) 2. Physical Parameter- Portable size: 164.4x59x16.2mm- Weight: 62g 3. Supporting System- Windows- Mac OS/ Linux- Android/Google/Smart TV OS4. Application - PC Keyboard for Home entertainment, multi-media Education, Training, Conference,presentation controlled with computer.- Perfect for Pad, Android TV Box, Google TV Box, Xbox360,PS3, HTPC/IPTV Packing:Wireless KeyboardUSB extension cable, Plastic, color card packaging