V8 Wireless Bike Helmet Headphone Intercom NFC Bluetooth

Motorcycle bluetooth intercom V8 is designed for helmets this bluetooth stereo headset is widely used for motorcycle helmets bike users.Features:Allows the max call distance 1200m.Actually realizes the fully duplex wireless communication among 5 riders.National level 5 waterproof standards.With FM function.Connecting with MP3/GPS/mobile which has bluetooth function.Bluetooth 3.0 master chipset.Specifications:Item type: IntercomBluetooth version: 3.0Remote control distance: 20MChip: CSR BC5Working voltage: 3.3V-4.2VThe speaker power: 0.25WOperating temperature range: -10?~+45?Radio band: FM87.5~108MHzStand-by time: Approx. 120HCharging time: Approx. 2.5HWaterproof: Level 5Charger specification: DC 5V 1000mAPackage weight: 500g / 1.1poundsPackage size: 160 * 100 * 40mm / 6.29 * 3.93 * 1.57inchesPackage list:1 * Intercom1 * Headset1 * Charging cable1 * User manual