Cool multifunctional communication tool for motorcyclists !! Page 2. Main Features: Communication in 6 riders, one rider can pair withMain Features: - Full-duplex Bluetooth intercom for 2 riders - Maximum 500 meters talking distance - Up to 120km / h working speed, ensure fluent BT Inter Phone User Manual - Free download as PDF File (.pdf), 2. 3. 4. 5. 6. 7. 8. 9. Maximum talking range 500 metres between two riders, real two-way V2-500. BT Interphone. Key spec. Auto-receiving cell phone calls, Max.500m talking distance,. Working speed: up to 120km,talk time: up to 8 hours,. Helmet Bluetooth Interphone. User Manual. Applicable for: Motorcycle riders, skiing enthusiasts, construction and mining workers, fire control personnel,. Find helpful customer reviews and review ratings for 2×BT interphone bluetooth The range is much better that I had expected, about 300 to 500yds, Get your next BT Interphone V2-500 Bluetooth Motorcycle Income Single directly USB cable for charger, speaker microphone, pedestal, instruction manual