Bone Conduction Headphones, 2.4GHz Hands Free Ear Hook Bluetooth Earphone IPX5 Waterproof Painless Sports Earphones for driving, mountaineering, working, running(red)

Bone Conduction Headphones, 2.4GHz Hands Free Ear Hook Bluetooth Earphone IPX5 Waterproof Painless Sports Earphones for driving, mountaineering, working, running This Wireless Bluetooth Headphone uses painless design, you needn't to plug it in ear. It supports answering phone calls, and easy to operate. And it won't influence your normal hearing, safe and convenient. The clear voice and good quality can provide you with excellent user experience. Specification: Bluetooth version : V4.1+EDR, compatible with V4.0, V3.0, V2.1 V1.1 Transmission power: Class2 Transmission frequency: 2.4GHz Transmission distance: more than 10 meters Battery capacity: 75mAh Call time : Approx. 6-8 hours Playing time : Approx. 4-6 hours Standby time : Approx. 120 hours Supported file formats: for IOS, A2DP, AVRCP, HSP and HFP Product size: Approx. 7.3 * 4.5 * 0.7cm / 2.9 * 1.8 * 0.3in Weight: 31.10g / 1.1oz Color: Black, Red, Gold, Silver (optional) Package list: Headset * 1 Cable * 1 Manual * 1 Silica Gel Cover * 1