Sanag B21S True Bone Conduction Headphones, IPX5 Waterproof Bluetooth 5.4 Earphones, Wireless Open Ear Headset with Mic, 5.4 HiFi Bass, 10H Playtime for Running, Cycling, Sports, Workout (Blue)

True Bone Conduction: 360 ° no hole design, it is safer and healthier to make ear bones sound pleasant through high frequency and low density vibration, while avoid the embarrassment of sound leakage

Open Ear Design: The open design allows you to clearly perceive the ambient sound while enjoying your music, detecting potential dangers during riding or sports in time, and providing more peace of mind during outdoor activities

Enhanced Surround Sound: Bone conduction headphones with high-frequency oscillator enhancement technology that enhances bass detail for rich musical performances and optimizes stereo surround sound for sports, allowing you to enjoy an immersive listening experience

Bluetooth 5.4: Upgraded Bluetooth 5.4 chip brings more stable wireless connection, wider signal coverage and lower power consumption. Easy pairing, clear and smooth calls, lossless and efficient music transmission, goodbye to disconnection

10H Long Battery Life: This open-ear bluetooth sports headphone can enjoy 10H of music with 1.2H charge and super standby 168H. Ensure that you don't need to charge frequently during use, no battery anxiety, enjoy uninterrupted audio experience

IPX5 Waterproof: Fearless of sweat and rain! IPX5 rated waterproof design effectively protects against sports sweat, daily splashes and light rain, allowing you to run, ride and work out to your heart's content, and the headphones are long-lasting and durable

Lightweight, Comfortable & Stable: These waterproof bone conduction headphones are made of titanium alloy memory back hangers, triangular earwing wrap-around design, which is in line with human ear ergonomics, suitable for different head shapes, fit tightly and comfortably, and can't be shaken off wildly even if you're a sports fanatic