boneinbonein Bone Conduction Wired Headphones BN-803 Black

Manufacturer part number: "BN-803" Size and weight Weight: Headphones: 35g, Sound amplifier: 25g comment Connect to the sound collection unit via cable. Lightweight folding. It has a 7-step frequency change button, so you can select a frequency that is easy to listen to. Materials and raw materials - standard 1 unit Standard details Power supply (charging): USB (charge for about 3 hours, can be used continuously for 12 hours)