Arrangements will be made with the client
. Built-in lithium battery for long life
4. IOS system equipment can display power
5. Support FM function, support TF card and 3.5mm stereo interface
6. Most compatible Bluetooth devices in the smart market
7. Unique appearance structure, comfortable to wear, suitable for different head shapes
8. The earmuffs can be folded at 90 degrees for easy storage
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