Feature: 1. Wearing on the left and right ears: The soft rubber ear hook design is adopted, and the left and right ears can be adjusted according to different ear shapes. It fits automatically for a more comfortable fit without pain. 2. IPX5 life-grade waterproof and sweatproof: easily cope with various sports scenes without worrying about sweat 3. Replaceable battery: separate replaceable battery design, double battery life is longer 4. Real-time display of the power of the earphones: Support real-time display of the power of compatible for IOS system and some Android systems, easily grasp the battery life of the earphones, and do not have to worry about the power of the earphones running out 5. Voice control to answer: Yes to answer, No to reject, if you don"'"t have hands, you can also answer the phone 6. Easy to operate: the multi-function button is convenient and fast, you can do whatever you want Description: Name: Headset Model: X7 Bluetooth-compatible version: V5.2 Material: ABS Horn: 13mm Communication distance: 10M Charging time: 1.5h Single battery capacity: 130mah Headphone Weight: 16.8 Power interface: Type-C Packing list: Headset x 1 Charging Cable x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don"'"t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. 3.About 3 batteries packing , 2 batteries for extra and 1 battery in the earphone.