Two people talking - 200-500 meters intercom,support all intercom Bluetooth headsets,The universal pairing function enables two riders to talk with each other. The Bluetooth headset is connected stably and suitable for outdoor travel.Automatic answering, DSP noise reduction function, clear voice call.Intercom earphones support front and rear seat intercom.Universal compatible headphones - Compatible and paired with other brands of headphones. Can match and talk to third-party Bluetooth intercom headphones. The motorcycle helmet intercom kit allows two riders to have real-time conversations within 500 meters (if you are riding at 120 yards or in areas with poor signal, it is recommended to use the earphone intercom function within 200 meters)High sound quality, loud sound - High-fidelity HIFI pronunciation unit, professional tuner proofread better restore sound quality details.Motorcycle helper Bluetooth headset adopts Bluetooth 5.0, stereo music, and Siri voice assistant.Reduce the background noise and ensure that your voice can still be heard clearly when driving at high speed.Waterproof Technology - No disturb Dustproof and IPX67 Waterproof by using Nano coating technology,No Fear of dust and rain, to ensure that the journeyworry-free structure close and stable,waterproofdesign, effectively block the road from dust and rain,invasion, let you travel worry-freeand can also operate at - 20°F.1000mA large capacity batter - Built in 1000mAh rechargeable Li-ion battery,Long stand-by and working time.Support 80 hours continuous talking and playing time.