Opn Sound OS1000BC OSSO HEADPHONES

• 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;• Frequency response: 20 Hz to 20 kHz;• 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.;• Flexible design ensures a pain-free listening experience for all-day use;• Water-resistant (IPX5) so protects against weather and sweat;• Ultra-lightweight, ergonomic design weighs only 0.811 oz. (23 grams);• Up to 9-hour battery life for calls and music; up to 160 hours standby time;• Includes USB-C(R) charging cable and user manual;