features 1Bluetooth walkietalkie system, it can realize true twoway wireless communication between six riders. Plastic + rubber buttons, more stable structure and waterproof. 2Allows 1 host intercom pair with other 5 intercoms separately in 5 groups, and switch among one of these 5 groups to communicate. 3Can be used with most mobile phones equipped with Bluetooth (A2DP enabled), GPS or MP3 stereo music. After pairing, it can be automatically identified and connected next time. 4Supports automatic answering of mobile phones, with up to 120km/h speed and up to 12 hours of talk time. 5Support audio navigation from GPS. With linein audio interface, which supports playing stereo music from the mobile phone. 6Applicable to special intercom systems for referees, aerial photography, concerts, skiing, construction site scheduling, port scheduling, director onsite commands, etc.Item Type: Bluetooth IntercomMaterial: ABS + MetalModel: V6CBluetooth Version: 3.0Chip: CSR BC5Working Speed: Up to 120km/hTalk Time: About 12 hoursStandby Time: About 400 hoursCharging Time: About 2.5 hoursSpeaker Power: 0.25WWorking Voltage: 3.3-4.2VWorking Temperature: -30-+60Waterproof Rating: IP65Battery Capacity: Built-in lithium battery 850mAMaximum Support: Full-duplex walkie-talkie for two drivers, six people in contact, distance of 1200 metersMaximum number of speakers: 2Application:Widely used in referees, aerial photography, concerts, skiing, construction site scheduling, port scheduling, commanders on-site command and other special intercom systems. Using a full-duplex call between two users, the host radio can be paired with the other 5 radios in the 5 groups, and switch between one of the 5 groups for communication. After the pairing is successful, the walkie-talkie will automatically enter real-time communication when it is turned on. Allows you to speak and hear other partners at the same time.Installation Notes:1. Connect the headset to the walkie-talkie2. Turn on Bluetooth and connect3. Use .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Bluetooth Receiver1 x Headphone1 x Charger Cable1 x Armband1 x User ManualNote1. Pairing must be done before first use.2. The actual distance depends on the weather, terrain, possible obstacles (large vehicles or buildings etc.)3. Allows 6 riders to connect to each other (not at the same time), the host intercom can talk to each sub intercom, but the sub intercom can't talk to sub intercom each other. Every intercom can be set as host, so recommend you marks it well before pairing, convenient for distinction.