Motorcycle Wireless Bluetooth Helmet Headset 100% New & Excellent Quality Strictly QC, Each set was fully tested before shippingFeatures:1.Latest Bluetooth5.0 technology, superior signal transmission, ultra-low power consumptioncompatible with iPhone & Android devices.2.Support automatic CALL ANSWER function, with phone number broadcasting,safer driving.(Press power button one time to answer phone;press the button again to hang-up;press the button twice to redial the most recently phone number directly)3.Built-in high-quality anti-interference microphone, external windproof sponge, can effectively realize hands-free answering, hang up the phone, high sound fidelity4.Suppor up and down music, volume sound addition and subtraction, playback pause, automatic callback and other functions, easy to operate, easy to use5.Built-in high-quality headphone speaker, strong bass, clear mid-range, high-pitched sound.6.Built-in mini USB charging interface for quick and easy charging7.Built-in large capacity lithium battery, multi circuit protection, long standby and working time8.Sound reminder function,easy to set the device according to sound remind9.Auto-repair with memory function.(if your device is the latest recent paired device,the headset will be automatically re-paired with your device when the device open it again)10.Excellent performance for Full-face helmet/Half-face helemtoff road helemflip up helemhaif face helem ect.11.Compact size and lightweight, easy for carry.Note:1.The helmet headset need to be fully charged prior to initial use(about 2 hours)2.The LED indicator will turn solid Red while charging and turn off when fully charged.3.The earphone cannot be music playing or call answering while it is charging.4.Set-in the password of "0000"if your bluetooth device is bluetooth 2.0 version.5.Please do not turn up the volume too loudly in driving.Specifications:Materials:PlasticColor:BlackBluetooth version: 5.0Frequency: 2.402GHz-2.480GHzTransmission Range: 20-30meters(depending on devices)Transmission Distance of Microphone:1meterPlayback time: 15-20 hrsStandby time:240hrsCharging time: 2hrsLi-ion battery: 3.7V/500mACharging Voltage: 5VDistortion: