About this item 👂【Total awareness of surroundings】Bone conduction headphones make you more able to hear your surroundings.Open ear design makes bone conduction headphones completely different from normal in-ear/over-ear headphones, allowing you to listen to music and also remain connected to your surroundings, and can be great for things like cycling and running near traffic. 🎧【Bluetooth 5.3 / Built-in Mic】Wireless headphones truly to set yourself free from cable mess.Equipped with Bluetooth 5.3, bluetooth bone conduction headphones will quickly pair with most devices. The pairing is quick and the connection remains stable within 33ft of range without lags or delays. Noise-canceling built-in Mic make you can also stay on the call when you’re at a job site or keep connected during a busy commute. Wireless bone condition headphones are great for work, virtual meetings, etc. 🔋【8H battery life】IYY bone conduction headphone has built in 180mAh lithium battery. Full charge only take 2.5 hours, makes them perfect for a wide range of activities. You can enjoy music comfortably at any time. ✨【Comfortable & Waterproof IP55】Only 26g, ABS + Titanium Alloy Material. Ergonomic Design, running headphones can be bent, fits your head better. Perfect stability on your cheekbones, relieve the ear burden.IP55 Waterproof standard to resist light rain and sweat，perfect for running, hiking, cycling, rock climbing, etc.Waterproof bone condition headphones surely is extraordinarily suitable for outdoor enthusiasts and fitness freaks. 🤝🏻【Why choose us?】We will check all our bluetooth headphones quality and make sure every one can work normally. If you have any questions during use,please email us with your order number. Our customer team will help you out within 12 hours.At the same time, we also provide 30-day return or money back gurantee and 120-day quality warranty.