Motorcycle Bluetooth Intercom 1500M 4 Riders Group Intercomunicador 4-way Full-duplex BT5.1 Interphone IP65 Music Sharingand FM Features: 1. Music sharing (highlights) 2. Bluetooth 5.1 professional chip 3. 1500m ideal Bluetooth intercom distance 4. Four people talk to each other and pair a mobile phone Bluetooth at the same time 5. HD binaural headset, stereo music 6. Professional waterproof, windproof, high-power 7. Answer the phone automatically 8. 850 mA lithium battery (highlight) 9. Standby for 300 hours 10. Talk for more than 12 hours 11. FM radio Parameters: BT Version: 5.1 Chips: Qualcom chip Intercom: 4-way intercom Intercom distance: Up to 1500m(Ideal distance) Working speed: max 100km/h Charging slot: Type-c Waterproof: IP65