- Convenient to use without affecting operation of controller
- Easy to install and remove
- Working voltage: DC 3.7V
- Working current: <=50mA
- Bluetooth range: 8~10m
- Bluetooth version: V3.0
- Battery: li-ion polymer 200mAh
- Built-in speaker: 8ohm, 0.5W
- Charging voltage: 130mA / 5V
- Keys: 47
- Note: it can only be used after matched; Do not hit the device; Avoid liquid or small metals into the device; Keep it away from high temperature or humidity environment.