1. Bluetooth 5.0 chip, the connection is stable. 2. CVC 8.0 noise reduction, HiFi sound. 3. One-button control, power-on, power-off, answering and other functions, easy to operate. 4. Magnetic charging, free to charge as soon as you put it. 5. Pick up the headset from the charging box and the headset will automatically connect to Bluetooth. 6. The charging box has a built-in 350mAh capacity battery. The standby time is 100 hours, and the headphones can be charged about 3-4 times. 7. IPX rated waterproof. 8. Release the shape of the cochlea, comfortable and painless for a whole day. 9. Good compatibility, Bluetooth can be used. Product parameters: 1. Bluetooth version: Jerry 5.0. 2. Bluetooth distance: 10m (accessibility). 3. Speaker unit: 6mm true copper ring speaker. 4. Headphone battery capacity: 40mAh. 5. Charge box battery capacity: 350mAh. 6. Standby time: