OPN Sound OS9000BL Mercato+ Bluetooth Open-Ear Neckband Headphones with Microphone, Black

• Open-ear design provides premium stereo audio without vibrations; headphones rest outside your ears and use directional audio technology (air conduction) to direct sound waves toward your ears so you can listen to music while remaining aware of surroundings;• Frequency response: 20 Hz to 20 kHz;• Bluetooth(R) v5.3 with wireless range up to 33 ft.;• Dual noise-cancelling microphones;• 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 0.917 oz. (26 g) for pain-free listening experience ;• Sweatproof, rainproof, and splashproof (IPX5); protects against moisture and debris for long life ;• Listen to music or talk for up to 13 hours; 10 minutes of fast charging delivers up to 9 hours of listening; up to 300 hours standby time;• Lifetime warranty;• Includes USB-C(R) charging cable, silicone strap, and user manual;