BT12 Motorcycle Helmet Bluetooth Headset Motorcycle Intercom Bluetooth Headset

1. Bluetooth version: V4.0+EDR2. Frequency range: 2.4026GHz-2.480GHz3. Transmission distance: 10M (The transmission distance is different due to environmental factors and mobile Bluetooth devices)4. MIC distance: less than or equal to 1 meter5. Lithium battery: 3.7V/500mA6. Charging time: 4-5 hours7. Standby time: about 180 hours8. Continuous working time: about 32 hours9. Function and scope: listen to music. Answer incoming calls. Voice guidance. Voice call.