Description:Product parametersBuilt-in memory: 16G (memory version)Headphone type: true bone conduction sports headphonesBluetooth version: Bluetooth V5.0 chipTransmission distance: more than 10 metersFrequency response range: 20Hz~20KHzBattery capacity: 280mAhPlaying time: about 8 hoursCharging time: 1 hourCharging interface: TYPE-COperating temperature: -20C~70CStyle: Bluetooth version/memory version (optional)Color: as picturedMaterial: ABS+Titanium alloySpecifications:Ergonomic DesignErgonomic design on the ear, multi-point support, comfortable and stable, can not fall off when running, climbing, skateboarding, doing burpeesDoes not fit into the earIt is truly painless to wear for a long time, and it is light beyond imagination, bringing you a feeling of wearing without feeling, and it is so beautiful that you cannot relaxMemory versionComes with 16G memory tone / blue-on mode to completely release your hands, the headset is equipped with 2000 DJ hot songs that have been downloaded, no need to connect to Bluetooth10-day standbyEasy to deal with various trainings and meet the needs of daily use. Full of motivation, let's run nowIPX6 waterproofcan be splashed and splashed, no fear of sweat, the coating process will escort your sports360-degree bending at willRear hanging titanium alloy, strong and durable, easy to twist 360 degrees without deformationPackage Included:1*earphone1*type-c charging cable