Bones conduction Headphones Bluetooth 5.2 Open-Ear Sports Headphones With Mic, 8H Usetime Waterproofs Wireless Headset For Running, Cycling, Driving, Workouts Feature: Superior Sound QualityBones conduction Headphones are equipped with the latest vibration-free Bones conduction technology, allowing you to notice the sound of your surroundings while listening to your audio. Light & stableWeighed merely 15g, you will not feel any discomfort when worn for a long time. The unique design provides enough stability for a stable no matter what strength of exercise you do. Comfortable & Stable Ergonomically designed, these open ear sports headphones are made of soft silicone material, lightweight and skin-friendly. Weighed merely 26g, you will not feel any discomfort when worn for a long time. 8 Hours & Fast Charging Built-in 230 mAh high-capacity battery, supports up to 8-10 hours of musiccalls or e-books continuously, with 360 hours of standby time. Bluetooth 5.2 and IPX5Upgraded Bluetooth 5.2 wireless headphones transmits data faster and has a more stable signal (33ft), which can be well compatiblility with smartphones, tablets, PCs, etc. With IPX5 Waterproofs level, which can effectively avoid sweat, rain, oil stains, etc. and meets the needs of all sports enthusiasts and outdoor workers, providing you with happiness and energy during running, biking, gym, jogging. Product parameters: Product name: Bluetooth headset Material: PC+ABS Bluetooth version: 5.2 Waterproofs class: IPX5 Product size:14x9.5x5cm/ 5.5x3.74x1.96 inch Gross weight:29.3g/ 0.064 lb The Package Include: 1 x Charge cable 1 x Use manual 1 x Bluetooth headset