Features 1、This multi Bluetooth interphone system allows up to 6 riders to connect to each other, and easily switch to any 2 of them 2、Long range-1200 meters intercom, Bluetooth interphone kits for helmet motorcycle, snowmobile, ski, ATV etc 3、Real two-way wireless communication between six riders by Bluetooth system 4、Once paired, it can conduct automatic identification and connect next time 5、Up to 120km/h speed Specification Description: This Bluetooth interphone is widely used for motorcycle helmets, bike users. With two users full duplex talk, the host intercom can pair with other 5 intercoms separately in 5 groups, and switch among one of these 5 groups to communicate. Once pairing is successful, the intercom will automatically enter the real-time communication when powered on. Allows you to speak and hear another partner speak simultaneously. The easy-to access and intuitive button operations make motorcycle Bluetooth headset a perfect companion for motorcycle riders and keep riders safe when riding. Features: 1. This multi Bluetooth interphone system allows up to 6 riders to connect to each other, and easily switch to any 2 of them. 2. Long range-1200 meters intercom, Bluetooth interphone kits for helmet motorcycle, snowmobile, ski, ATV etc. 3. Suitable for full-face & half-face helmet. 4. Real two-way wireless communication between six riders by Bluetooth system. 5. Once paired, it can conduct automatic identification and connect next time. 6. Up to 120km/h speed. 7. Up to 8hours talking time. 8. Auto-receiving mobile call. 9. Support audio navigation from GPS. 10. Line-in audio interface. 11. Wind noise DSP cancellation. 12. It can pair "rider to rider" or "rider to pillion". Communicate with the passenger on back seat or biker to biker communication. 13. Works with most Bluetooth equipped(A2DP enabled) mobile phone, GPS or MP3 stereo music. 14. Plastic + Rubber button, more stable structure, better waterproof performance. 15. Wireless hands free communication for motorcyclist, ensures safe driving while talking with friends. 16. Support play stereo music from your mobile phone 17. Can be used as a Bluetooth headset and a wireless music headset while you're not riding. 18. It's very easy to install, which won't damage your helmet. Specifications: Bluetooth Version: 3.0 Chip: CSR BC5 Working Speed: Up to 120km/h Talk Time: About 8 hours Standby Time: About 150 hours Charging Time: About 2.5 hours Speaker Power: 0.25W Work Voltage: 3.3-4.2V Battery Capacity: 530mA Package Weight: Approx. 215g Color: Black Package Included: 1 x Bluetooth Receiver 1 x Stereo Earphone 1 x Charger Cable 1 x User Manual 1 x Helmet Mounting Clamp 1 x Screw Driver 2 x Screws 2 x Pads Notes: 1. Pairing must be done before first use. 2. The actual distance depends on the weather, terrain, possible obstacles (large vehicles or invisible buildings etc.) 3. Allows 6 riders to connect to each other (not at the same time), the host interphone can talk to each sub interphone, but the sub interphone can't talk to sub interphone each other. Every interphone can be set as host, so recommend you mark it well before pairing, convenient for distinction. Package List