Bluetooth Motorcycle Helmet Headset Wireless IPX6 Waterproof Noice Reduction Earphone Super Long Standby HandsFree Headphone KO

Battery Included : Yes High-concerned chemical : None Support intercom : No Special Features : Waterproof,Voice Control,Universal Pairing Function Applicable Helmet Type : Half Helmet,MODULAR,MOTOCROSS,Open face,Full Face,Flip Up Helmet,Universal Power Supply Mode : Built-in Battery Connection Mode : Bluetooth Certification : CE,RoHS Origin : Mainland China Item Type : Helmet Headset Bluetooth protocol : 5.4 transmission range : 10 meters Channel : Stereo Is it single and binaural? : Bilateral stereo battery life : 40H function 1 : Support Bluetooth, waterproof, dustproof, function 2 : noise reduction, call function, voice control, support music, others