Remote wireless package for motorcycle helmets 1.Transmission distance: 10M 2.Lithium battery: 3.7V/200mA 3.Charging time: 1-2 hours 4. Standby time: about 240 hours 5. Continuous working time: about 120 hours 1.Bluetooth version: V5.0 2.Frequency range:2.4026GHz-2.480GHz 3. Transmission distance: 10M (transmission distance varies depending on environmental factors and cell phone Bluetooth devices) 4.MIC distance:1m 5.Lithium battery: 3.7V/450mA 6. Charging time: 3-4 hours 7. Standby time: about 240 hours 8. Continuous working time: about 72 hours 9. Bluetooth name: intelligent helmet 10. Function and range: support up and down song, volume up and down, play pause, cell phone call With color box product whole weight: 113g Remote control: key: short press for the next song, long press for the volume plus undefined key: long press to turn on/off, short press to answer the phone/hang up the phone key: short press for the previous song, long press for volume down Host key function: - Key: short press for previous song, long press for volume down undefined key: long press for on/off, short press for answering/hanging up, double click for to dial the last call number + key: short press for the next song, long press for volume up Remote control and host pairing: After the host is turned on, the LED of the host flashes quickly, and within 10 seconds, press any button of the remote control to pair. After successful pairing, the host LED flashes slowly and the pairing is successful. Pairing between cell phone and Bluetooth: Cell phone open Bluetooth, search for "helmet headset", after successful connection, the headset issued a successful connection beep sound, indicating successful connection.