Check the listing for details. Motorcycle Helmet Headset Wireless Bluetooth Headphone Speaker Hands-Free BT-12. Condition: New. Listed at 18.99 USD. Product Description Product Description Motor Helmet Wireless Bluetooth Headset Motorcycle Earphone Headphone Microphone，Bluetooth 4.1 Handsfree Features: 1.Latest 4.1+EDR Bluetooth technology, superior signal transmission, ultra-low power consumption，compatible 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 fidelity 4.Suppor up and down music, volume sound addition and subtraction, playback pause, automatic callback and other functions, easy to operate, easy to use 5.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 charging 7.Built-in large capacity lithium battery, multi circuit protection, long standby and working time 8.Sound reminder function,easy to set the device according to sound remind 9.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 helemt，off road helem，flip up helem，haif 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:Plastic Color:Black Bluetooth name:BT8 Bluetooth version: 4.1+EDR Frequency: 2.402GHz-2.480GHz Transmission Range: 20-30meters(depending on devices) Transmission Distance of Microphone:≤1meter Playback time: 15-20 hrs Standby time:≤240hrs Charging time: ≤2hrs Li-ion battery: 3.7V/500mA Charging Voltage: 5V Distortion: