C8Pro IPX7 Waterproof Two-Person Intercom Helmet Bluetooth Headset With Flashlight Features: 1. Two-person intercom distance of 500 meters, stable connection, clear calls, continuous connection 2. Bluetooth 5.3 wireless connection, fast connection, no delay, strong signal, not easy to disconnect 3. CVC intelligent noise reduction, clearer calls 4. Incoming calls are automatically connected, safe riding 5. Supports simultaneous connection of two devices 6. Flashlight function, night lighting, one-click to turn on the light, convenient and easy to use 7. HD speakers, HIFI surround sound 8. Built-in large-capacity battery, long-lasting battery life 9. AI voice assistant, one-click easy wake-up Product parameters: 1. Bluetooth version: 5.3 2. Communication distance: 15 meters 3. Intercom distance: 500m (straight-line distance on outdoor sections without interference sources); 200m (straight-line distance on ordinary urban roads, slightly different depending on the specific environment) 4. Noise reduction type: CVC 5. Waterproof level: IPX7 6. Prompt voice: ChineseEnglish 7. Charging interface: Type-CUSB-C 8. Battery capacity: 1000mAh3.7V 9. Charging time: about 1-2 hours 10. Play time: about 48 hours 11. Talk time: about 38 hours 12. Product size: about 96 x 45 x 67mm