Specification: 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. _x000D__x000D_Features:_x000D_1. Painless ergonomic design -- You can use it when you are riding, driving, mountaineering, working, running, etc._x000D_2. Invisible and compact design -- Light weight and small, easy to carry._x000D_3. Ear hook type headset -- You do not need to put the headset into ear, it can clearly play music and make phone calls and harmless to your ear._x000D_4, IP X5 level waterproof -- Waterproof, anti-sweat and anti-splash._x000D_5. There is no difference between left and right wearing._x000D_6. Chinese and English voice reminding._x000D_7. Wireless Bluetooth Headphone -- Compatible with Bluetooth V4.0, V3.0, V2.1 V1.1 with 1intelligent connection._x000D_ _x000D_Specification:_x000D_Bluetooth version : V4.2+EDR, compatible with V4.0, V3.0, V2.1 V1.1_x000D_Transmission power: Class2_x000D_Transmission frequency: 2.4GHz_x000D_Transmission distance: more than 10 meters_x000D_Battery capacity: 90mAh_x000D_Call time : Approx. 5-6 hours_x000D_Playing time : Approx. 1-2 hours_x000D_Standby time : Approx. 100 hours_x000D_Supported file formats: for IOS, A2DP, AVRCP, HSP and HFP_x000D_Product size: Approx. 7.3 x 4.5 x 0.7cm / 2.9 x 1.8 x 0.3in_x000D_Weight: 31.10g / 1.1oz_x000D_Color: Black, Red, Gold, Silver (optional) _x000D__x000D_Package list:_x000D_Headset x 1_x000D_Cable x 1_x000D_Manual x 1_x000D_Silica Gel Cover x 1 Features: 1Painless ergonomic design -- You can use it when you are riding, driving, mountaineering, working, running, etc. 2Invisible and compact design -- Light weight and small, easy to carry. 3Ear hook type headset -- You do not need to put the headset into ear, it can clearly play music and make phone calls and harmless to your ear. 4IP X5 level waterproof -- Waterproof, anti-sweat and anti-splash. 5Chinese and English voice reminding. PackageList: