G20S PRO 2.4G Wireless Fly Air Mouse 30 Buttons Voice Remote Control for PC Smart TV Box STB Specification: Working distance: 8-10m Number of buttons: 30 Material: Silicon buttons+ plastic shell Colour: Black Battery voltage: 3V Power supply: 2 x AAA batteries (not included) Frequency: 2400-2483.5GHz Standby current: <20uA Working current: 15mA Product size: 160 * 42 * 18mm/6.30*1.65*0.71" Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Packages: 1 X Air Mouse 1 X USB Receiver 1 X User Manual