Motorcycle Helmet Headset Stereo

Motorcycle Helmet Headset Stereo Do you want to make your cycling more fun? Then you need the Motorcycle Helmet Headset Stereo! This great device will provide you with a more stable and smooth connection while you're cycling. Plus, the hi-Fi headphone offers a clear sound performance. You can also DIY design, available to be detachable when you want. . Features:  BT V4.1 provides a more stable and smooth connection. The hi-Fi headphone offers a clear sound performance. DIY design, available to be detachable when you want. The sound reminder function lets you set up the device easily. Support hands-free calling releases your hands and ensures safe driving. Support answering, rejecting, hanging up, and redialing phone functions. Built-in rechargeable Li-ion battery, up to 8 hours working time and, 180 hours standby time. Specifications:  Bluetooth version: V4.1 Frequency range: 2.4026GHz-2.480GHz MIC distance: ≤ 1m Lithium battery: 3.7V/500mA Charging time: 4-5 hours Standby time: about 180 hours Continuous working time: about 32 hours Transmission distance: 10M (vary by environmental factors and cellphone Bluetooth devices)