Motorcycle Helmet Bluetooth Headset Wireless Built-in All-in-one

Product Information:

Features7: Built-in mini USB charging interface for quick and
Bluetooth: 4.1+EDR
Type: Motorcycle Helmet Bluetooth Headsets
Connector: micro usb
Color: Black
Features1: Latest 4.1+EDR Bluetooth technology
MPN: Does not apply
Features2: Support automatic CALL ANSWER function

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:<1%
USB cable length:Approx 1m
Interval between left and right horn: 44cm
Horn wire length:17cm
Diameter of the horn：4.1cm
Packaging dimension:24*13.7*3.7cm