Motorcycle Helmet Headset Wireless Bluetooth Earphone Hand-free Speakers

Main Features:
● Material: ABS, electronic components
● Superior signal transmission, ultra low power consumption
● Support all bluetooth devices
● Automatically answer 5 seconds when calling, safe and fast
● Built-in high quality interference microphone for high sound fidelity
● Bluetooth version: V4.0, EDR
● Battery: built-in 3.7V 180mA lithium-ion battery
● Charging time: 1 hour
● Standby time: 160 hours
● Continuous work: 8 hours
● Transmission distance: about 15m
● MIC distance: 1 m and below