【2-Way Communication】It should be noted that EJEAS V6 Pro is a 2 person full-duplex motorcycle bluetooth intercom system, which supports up to 6 people connection but only 2 people can talk to each other at a time (the host can choose one of the 5 sub-devices). The maximum intercom range can reach up to 1200M. | 【Noise Reduction Technology】Adopting advanced DSP noise cancellation technology, V6 Pro motorcycle headset will reduce surrounding wind and background noise, keeping you safe and providing you crystal clear sound. Instead of making annoying noises at high speeds, you can immerse yourself into the riding. | 【Hands-free Communication】Connecting to the upgraded Bluetooth 5.1version, V6 Pro motorcycle communication system can automatically answer or reject calls within 5s. What's more, V6 Pro intercom is IP65 waterproof, dust-proof, sun-proof, suitable for all-weather, a good partner for long-distance riders or cycling enthusiasts. | 【Long Battery Life】V6 Pro motorcycle helmet bluetooth intercom runs on a large 850mAh rechargeable battery. Just 3 hours of charging, the intercom time can reach 18h and music playing time is up to 25h. The standby time is about 260h, which can meet the needs of long-time riding communication. | 【Universal Application】V6 Pro wireless motorbike interphone is compatible with full-face helmet, 3/4 helmet, flip-up helmet and modular helmets. The helmet bluetooth headset can withstand -10℃ to 50℃ and can be used in most countries and regions. If you have any question about our product, please feel free to contact us. We will give you a satisfactory answer within 24 hours!