V4i-1200 1200m with Bluetooth Function Helmet Interphone Headsets

V4i-1200 1200m Bluetooth Interphone Headsets for Motorcycle HelmetDescription:1.The Bluetooth system that allows the max. call distance between two riders up to 1,200m and actually realizes the fully duplex wireless communication among four riders2. Working speed above 120km/h3. Automatic and safe receiving of mobile phone calls4. Master control Bluetooth CSR BC5 scheme available5. Advanced A2DP EDR Bluetooth function available6. Strong stereo music/audio available (mobile phone/MP3/GPS with A2DP For transmission)7. DSP noise reduction function8. Inbuilt polymer lithium battery with capacity up to 500mA9. Standby 240h10.Continuous call or music playing above 8h11.Charging time around 3hPackage Included: 1 x Motorcycle Bluetooth Headset 1 x Microphone Headset (50CM)1 x 2-Flat-Pin Plug Power Adapter (100~240V)1 x USB Cable (50CM)1 x Installation Parts Kit1 x Multi-Language User Manual