Opn Sound Os4000Bl Dashlyte Bluetooth Bone-Conduction Led-Neckband Headphones Wi

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Open-ear design;
headphones rest outside your ears and use bone-conduction technology to send sound waves via mini vibrations through your cheekbones to your inner ears so you can listen to music while remaining aware of surroundings;
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Frequency response: 20 Hz to 20 kHz;
dynamic range and deep bass;
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Bluetooth(R) v5.3 with wireless range up to 33 ft.;
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Loops over the ears and around the back of the head for secure fit even during rigorous activities while providing all-day comfort fit;
lightweight at only 0.917 oz. (26 g) for pain-free listening experience ;
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Bright LED lights on band keep you visible at night;
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Noise-cancelling microphone to make and take calls while on the go;
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Sweatproof, rainproof, and splashproof (IPX5);
protects against moisture and debris for long life ;
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Listen to music or talk for up to 6 hours;
takes up to 2 hours to charge;
up to 360 hours standby time;
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Lifetime warranty;
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Includes USB-C(R) charging cable and user guide;