The listening method of the open ear headphones allows sports enthusiasts to play sports while listening to music while perceiving the external environment.Features:1.Bone conduction headphones with earhooks, suitable for outdoor sports and daily use, are not uncomfortable to wear for a long time and will not fall.2.It does not enter the ear, there is less pressure on the ear, less damage to hearing, and increased comfort.3.The wireless headset supports Siri and AAC calls, as well as smart touch controls.4.The new updated Bluetooth 5.3 chip, the connection is faster and more stable.5.Open handset charging case to automatically boot and connect to the phone, automatically shut down and charge when bone conduction headphones are plugged into the charging case, easy to use.Specification:Bluetooth Version: 5.3.Transmission distance: about 10 m.Playing time with charging case: 24 hours.Waterproof: IPX5.Supported systems: all devices and mobile phones that support BluetoothNotes:1. Please read the instruction manual carefully before use.2. If you receive a defective product or have any questions during use, please feel free to contact us.Packing list:Bone conduction headphones*1USB C cable*1User Manual*1