Opn Sound Os1000Bc Osso Bluetooth Bone-Conduction Headphones With Microphone, Bl

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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;
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Built-in microphone and controls let you make and take calls on the go with no interference;
Bluetooth(R) v.5.2 has a range up to 30 ft.;
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Flexible design ensures a pain-free listening experience for all-day use;
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Water-resistant (IPX5) so protects against weather and sweat;
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Ultra-lightweight, ergonomic design weighs only 0.811 oz. (23 grams);
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Up to 9-hour battery life for calls and music;
up to 160 hours standby time;
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Includes USB-C(R) charging cable and user manual;