Neck Soft Silicone Anti-Noise Sleep Waterproof Sports Type Skin-Friendly Wearable Bluetooth Headphones With Strong Light Insertable CardFeatures: Long lasting, sports Bluetooth headset, power display | Long lasting | comfortable to wear | waterproof and sweat proof No fear of noise Immerse in music In ear design can effectively reduce external noise and enjoy a more pure music feast Eight strong performance, new upgrade of Bluetooth 5.2, durable endurance, comfortable wearing, etc The sound field is full of pure sound quality. Each unit is carefully debugged. The sound effect is excellent and accurate. The medium frequency is harmonious, the high frequency is smooth, and the low frequency is strong Cards can be inserted to store songs, easy to use, fast and easy, and you can listen to songs at any time without restraintProduct Description: Bluetooth scheme: 5.2 JerryProduct speaker: 32 real copper ring speakerWorking time: about 78 hoursCharging time: about 2 hoursCommunication distance: barrier-free 10 metersAppearance material: ABS plastic + siliconeBattery capacity: 500mAHLanguage prompts: Chinese and English prompts (switching method: press the power button and + button at the same time for 2 seconds after turning on the machine and seeing the red and blue lights)Packing information:Headphones including packaging weight: 93g Product list:TYPE-C charging cable + Chinese and English manual + a pair of ear caps of each size