V23 Black Bluetooth 5.3 Single-ear Button-operated In-ear Headphones 270° Self-use Rotation Universal for Left and Right Ears One-button Mute IPX6 Waterproof. 1: Button operation, digital display of power, Bluetooth 5.3 headset for both ears, one-button mute: in phone state, short press the call button to enter mute mode.
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