Bluetooth headset - HP-010. They provide high-quality, clear sound. Equipped with an easy to use control panel and microphone. Adjustable headband - allows you to adjust the parameters of the headphones to the individual needs of the user. Foldable - after use, the headphones can be folded and then put away in a backpack or bag. Comfortable ear cups allow you to listen to music for hours without feeling uncomfortable. Built-in microphone allows conversations. Control panel is located on the headphones and allows you to control the sound being played. Bluetooth streaming allows you to listen to your favorite music with no need for a cable, so the user can move freely without having to worry about tangling the cord. Specification: Bluetooth version: 5.0 Frequency: 20-20 KHz Wireless range: 10 m Charging time: 2 h Work time: 5 h Standby time: 100 h