Black ows Bluetooth 5.3 no-In-ear Headphones Button Operation 180° Selection Universal for Left and Right Earphones Features: 1: Button operation, digital display of power, Bluetooth 5.3 headset for both ears, 2: The headset is equipped with omnidirectional microphone and unidirectional pickup microphone, which can better eliminate ambient noise and receive human voice, and make high-definition calls 3: 140mah polymer battery, 20 hours of battery life on a single full charge. 4: 180° rotating ear hook, universal for both ears 5: IPX6 waterproof, providing more protection for the headset .
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