ltem description from the seller
Specification:
Color: Black
Material: plastic + silica gel
Charging interface: Micro USB
Operating temperature: -20 ℃~65℃
Modulation frequency: 2.4~2.4835GHz
Sensor: 3-Gyro + 3-Gsensor
Key: 58
Distance: 8-12m/26.2-39.4in
Battery capacity: 3.7V 250mAh
Operating current: 33mA
Standby current: 25uA
Wireless modulation mode: GFSK
Supported systems: for Android/Windows/Mac OS/Linux
Size: 152*44*9.8mm/6X1.7X0.39in