Y21 Helmet Headphones Bluetooth 5.4 Waterproof Noise Reduction Headphones with Fm Radio Sos Warning Light Custom Rgb Audio

Good luck with your favorite purchasesBattery Included : Yes High-concerned chemical : None Support intercom : No Special Features : Voice Control,With Remote Control,Waterproof,Noise Reduction External Testing Certification : ce Model Name : Y21 Applicable Helmet Type : MODULAR,MOTOCROSS,Open face,Full Face,Flip Up Helmet,Universal Power Supply Mode : Built-in Battery Connection Mode : Bluetooth Maximum Number of Speakers : 2 Maximum Intercom Distance : <500m Brand Name : kankeirr Certification : CE,FCC Origin : Mainland China Item Type : Helmet Bluetooth headset