Features 1、This Bluetooth interphone system allows up to 6 riders to connect to each other, and easily switch to any 2 of them 2、Long range 800 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、Stereo music/audio transmits from A2DP enabled phone/MP3/GPS. Advanced A2DP & EDR Bluetooth 5.1 profile. Clear Audio Specification Description: Stable performance V6 Pro Motorcycle Bluetooth Intercom, maximum talking distance is 800 meters, in general, at outdoor environment the talking distance is 300 meters to 800 meters, it is also as high performance Bluetooth headset(range of 15 meters). It has functions of automatic receive phone calls, using more convenient and safe. Surely, using newest production process and ultrasonic structure without screw. Also it has functions of 5 levels waterproof, HD voice. Professional designing for motorcycle riders and making sure safely riding. Features: This Bluetooth interphone system allows up to 6 riders to connect to each other, and easily switch to any 2 of them. Long range 800 meters intercom, Bluetooth interphone kits for helmet motorcycle, snowmobile, ski, ATV etc. Talk time up to 29 hours. Auto-receiving mobile call. Suitable for full-face & half-face helmet. Real two-way wireless communication between six riders by Bluetooth system. Once paired, it can conduct automatic identification and connect next time. Support FM, domestic radio frequency 87.5 to 108 MHz. Latest CSR BC5 chip, high fidelity sound. High-power headset, which can be used in a noisy environment. National level 5 waterproof standard. Auto-receiving the cellphone call when you are in intercom channel. Stereo music/audio transmits from A2DP enabled phone/MP3/GPS. Advanced A2DP & EDR Bluetooth 5.1 profile. Clear Audio. Can be compatible for GPS, MP3 player, smartphone, tablet Bluetooth, listen to music, GPS voice navigation, and other functions. Specifications: Brand: EJEAS Model: V6 Pro Item Quantity: 2 Set Material: Plastic Color: Black Bluetooth Version: 5.1 Chip: CSR BC5 Battery Capacity: 850mAh Battery Type: Polymer Work Voltage: 3.3-4.2V Talk Time: About 29 hours Standby Time: About 260 hours Charging Time: About 2.5 hours Speaker Power: 0.12W Waterproof Rating: IP65 Operating Temperature: -30℃ to +60℃ Charger Type: USB Charging(5V 0.5-2A) Size: 8.5 x 4.5cm/3.3" x 1.8" Package Weight: approx.376g Package Included: 2 * Bluetooth Receiver 2 * Headset 2 * Charger Cable 2 * Clamp 2 * Bracket 1 * Wrench 4 * Screws 4 * Hook and Loops 1 * User Manual Package List