Bone Conduction Headphone For Helmets: F808 Open Ear Headphone:R9 Bone Conduction Headphone: High Quality Bone Conduction Wireless Headphones Bluetooth Earphone with Microphone Gaming Headset Sport Outdoor Hands free Model GMMC-AS1+ Open ear Solo Wireless Earphone Name Bone Conduction Earphone Wireless Bluetooth Headphone Style Open Ear Earphone With Microphone Working Time6hCharging Time1.5hBattery Capacity230mAh-Color Black, Red, Green, GrayFeature1.Openear wireless sport headphones.2.Dual listening Bluetooth earphone.3.Long battery life.4. Lightweight and stereo sound with mic headset.
