Helmet talkback bluetooth headset

Name: Helmet Bluetooth intercom headset
Transmission range: 500 meters
Function: call function, support music, Bluetooth intercom
Bluetooth protocol: 2.1+EDR
Channel: stereo
Usage: head-mounted
Single or dual ear: bilateral stereo
Applicable gift-giving occasions: awards commemorations, advertising promotions, trade fairs, business gifts, cycling enthusiasts
Name: Motorcycle helmet Bluetooth intercom headset
Material: ABS
Host size: 8cm*5cm*3.3cm
Power input voltage: AC 100-240V
Battery: 350mAh rechargeable polymer battery
Connection method: Bluetooth
With FM radio function