Bluetooth Conduction Headphones Open Ear Headphones Bluetooth 5.2 Sports Wireless Earphones With Built In Mic,Sweat Sport Headset Feature:Open Ear Design：Bluetooth conduction headphones deliver audio through the cheekbones, resulting in high sound. The open ear design allows you to enjoy music without missing the sound of your surroundingsStable & Comfortable：The memory metal frame has a bending recovery effect, which can keep the sport headphones stable during strenuous exercise.It is light and comfortable, suitable for long term useConnection: Wearing open ear bluetooth headphones, the surrounding sounds can still be heard, avoiding potential dangers. Using a bluetooth 5.2 chip, the wireless headset connection is stable and fast. High sound quality, giving you a wonderful music experienceWater proof: Our sports wireless earphones are to sweat, for outdoor and indoor sports like running, cycling, hiking, working,etc Long Battery Life: With one charge, it can provide up to 8 hours of continuous music and calls. Built in 180mAh lithium battery, standby up to 120 hours. You can enjoy music comfortably at anyProduct parameters:Product Name: Bluetooth HeadsetColor:blackAcoustic structure: coil iron combination, closed typeCharging method: Type cTransmission distance: 12mBluetooth version: BLE 5.2Frequency response range: 20-20KHzBattery capacity: 180mAhMusic playback time: 8 hoursTalk time: 15 hoursPackage size:17x11x2cm/ 6.69x4.33x0.79 inchGross weight:69g/ 0.15 lbThe Package Include:1 x Bluetooth headest1 x Charge cable1 x Use manual