Motorcycle Helmet Intercom Bluetooth Headset BT 5.3 Hands Free Call Wireless Noise Reduction Waterproof 2 Rider 300M Interphone

Battery Included : Yes High-concerned chemical : None Support intercom : Yes Special Features : Waterproof,Noise Reduction Item Weight : 0.15 External Testing Certification : ce Model Name : BT31 Applicable Helmet Type : Half Helmet,MODULAR,MOTOCROSS,Open face,Full Face,Flip Up Helmet Power Supply Mode : Built-in Battery Connection Mode : Bluetooth Maximum Number of Speakers : 2 Maximum Intercom Distance : <500m Brand Name : velev Certification : CE Origin : Mainland China Item Type : Helmet Headset