BT12 CSR8635 Bluetooth 4.1+EDR Motor Helmet Headset Wireless Earphones for Motorcycle Helmet Intercom
Feature:
This helmet Bluetooth headset is carefully designed by the designer based on the internal structure of the motorcycle full helmet and half helmet. 
It uses latest EDR Bluetooth technology, super signal transmission, ultra low power consumption, and all Bluetooth devices. 
Support automatic answering function, no need to answer the call manually anymore, safe and fast.
Support previous/next song, volume +/-, play/pause, automatic callback and other functions, simple operation and convenient use. 
Applicable to CE, RoHS, FCC and other European and American environmental protection and safety regulations.
Built-in 500mAh high-capacity battery, CSR8635 chip.

Specification:
Bluetooth version: V4.0+EDR
Frequency range: 2.4026GHz-2.480GHz
Transmission distance: 10m (The transmission distance is different due to environmental factors and different mobile phone Bluetooth devices)
MIC distance: ≤1m
Lithium battery: 3.7V/500mA
Charging time: 4-5 hours
Standby time: about 180 hours
Continuous working time: about 32 hours
Product features: listen to music, answer incoming calls, voice guidance, voice calls.
Scope of application: Support smart phones, tablets, notebook/desktop computers, etc.

Note:
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.