DT-4 IPX Waterproof Bluetooth 5.0 Wireless Bluetooth Earphone with 350mAh Magnetic Charging Box, Support for Calling(Silver) Filter-U Disk & Card Reader Internal dimensions: 11 inches: 30

Internal dimensions: 11 inches: 30 x 19

long distance cable pulling also prevent falling off

Horn: 2 "+ head bass horn

When it is contaminated by water

Packing list: receiver x1

DT-4 IPX Waterproof Bluetooth 5.0 Wireless Bluetooth Earphone with 350mAh Magnetic Charging Box, Support for Calling(Silver) Filter-U Disk & Card Reader Internal dimensions: 11 inches: 301. 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