With 6-axis air mouse function and IR to control TV and air conditioner and built-in microphone that supports SKYPE calls and online voice calls. Brand RII Model RT-MWK13 Quantity 1 Color Black + silver Material APS Key Numbers 62 Connection Method 2.4GHz Wireless Power Supply Built-in rechargeable battery Battery Capacity 350mAh Supports System Windows CE / 2000 / XP / Vista / 7 / 8 Mac OS Linux (Debian-3.1 Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested) Android OS Other Features Charging time: 2 hours; Standby time: 72 hours; Operating range: 10m; Transmitting power: +5dB; Working voltage: 3.3V; Current: <50mA; Charging current: <300mA; Sleep current: <1mA; Can connect desktop computer HTPC Smart TV X-BOX HDD player Car TV etc; Ergonomics design; Compliant ROHS; Packing List 1 x Keyboard 1 x Receiver 1 x Charging cable (80cm) 1 x English manual