Hign-concerned Chemical : None
Support intercom : no
External Testing Certification : ce
Model Name : BT31
Applicable Helmet Type : Half Helmet,MODULAR,MOTOCROSS,Open face,Full Face,Flip Up Helmet,Universal
Special Function : waterproof,Noise Reduction
Power Supply Mode : Built-in Battery
Connection Mode : bluetooth
Certification : CE
Origin : Mainland China
Item Type : Helmet Bluetooth headset
Bluetooth version : 5.3
Item 1 : Helmet headset
Item 2 : Cycling Bluetooth headset