Universal Motorcycle Helmet Bluetooth Headset Stereo Headphones w/Handsfree Mic

ITEM NAME:Universal Motorcycle Helmet Bluetooth Headset Stereo Headphones w/Handsfree Mic Product Description Description: Feature: 1. Large keys are easy to operate; 2. Built in wind proof sponge to prevent wind and noise; 3. Automatic answering of incoming calls; 4. For iOS Android system supports power display; 5. 150mAh battery long endurance; 6. High quality sound, strong bass. Specification: Scope of application: support for Apple,for Samsung, for Xiaomi, for Meizu and other smart phones, compatible with for iPad, notebook, desktop computer and other devices Bluetooth version: v4.1 + EDR Frequency range: 180-2000kHz Transmission distance: > 10m (the transmission distance is different due to different environmental factors and mobile Bluetooth devices) Mic distance: ≠¤ 1m Distortion: < 1% Sound to noise ratio: > 80dB Answer mode: automatic / manual Lithium battery: 3.7V/150mAh Charging voltage: USB 5V Charging time: 2.5 hours Standby time: about 60 hours Continuous working time: about 6 hours Color: Black Size: 215x44x15mm/8.46x1.73x0.59'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Motorcycle Helmet Bluetooth Headset 1 X Charging Cable 1 X User Manual.Mic distance: ≠¤ 1m. Bluetooth version: v4.1 + EDR. Lithium battery: 3.7V/150mAh. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.