OPN Sound Osso Bone Conduction Bluetooth Headset with Microphone - Black

Open ears The headphones rest on the outside of your ears and use bone conduction technology to send sound waves through your cheekbones to your inner ears via mini-vibrations so you can listen to music while staying aware of the environment Frequency response: 20 Hz to 10 kHz Built-in microphone and controls allow you to make and answer calls on the go without interference Bluetooth v.5.2 has a range of up to 30 feet.