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 surroundings Stable & 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 use Connection: 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 experience Water 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 any Product parameters: Product Name: Bluetooth Headset Color:black Acoustic structure: coil iron combination, closed type Charging method: Type c Transmission distance: 12m Bluetooth version: BLE 5.2 Frequency response range: 20-20KHz Battery capacity: 180mAh Music playback time: 8 hours Talk time: 15 hours Package size:17x11x2cm/ 6.69x4.33x0.79 inch Gross weight:69g/ 0.15 lb The Package Include: 1 x Bluetooth headest 1 x Charge cable 1 x Use manual