Bone Conduction Headphones, Running Bluetooth Headphones, Headphones with Microphone, Sweat Resistant, Suitable for Sports, Hiking, Running, Cycling, Bone conduction bluetooth earphones deliver great sound through the cheekbones. Unlike earphones, Wanfei wireless running earphones let you wear them without any burden. It avoids some dangerous situations because you can use it to listen to music while also hearing the sounds around you. Weighing 26 grams, our sports earphones are made of high-quality soft silicone material to keep you relaxed while you run, and the open ear tip design helps you to be truly pain-free as the earphones don't need to be inserted into the ear canal. The sports bluetooth earphones feature an ergonomic wraparound and streamlined sink design that fits over your ears while running, dancing or wearing glasses. Enjoy 7 hours of uninterrupted music or podcasting with USB charging, which greatly reduces natural sound leakage, giving you premium sound quality. Built-in microphone for clearer calls. Completely sweat and waterproof earbuds for training, fitness and running. Our earphones are sweat, moisture, water and dust resistant for indoor or outdoor activities. Premium materials ensure that this headset can withstand most runs, rides, and more. Not suitable for swimming.