A4Tech BH220 Bluetooth v5.3 Wireless Headset – Up to 10m Range – Soft Mesh Fabric Padded Headband –  Lightweight Ear Pads – USB Type C Rechargeable – 3 Ways Folding – Extended Play Time with 400mAh Battery – Black

A4Tech BH220 Bluetooth v5 Wireless HeadsetExpert FeaturesM.O.C.I. [ Mycelium Of Carbon It ] :  M.O.C.I. is made of advanced biotechnology with bred nano mycelium and carbon fiber. Featuring Fstyler’s Signature Sound, pushing out crisp trebles and midrange with deep, satisfying bass.Bluetooth v5.3 Wireless Technology : Advanced Bluetooth v5.3 provides a steady connection. Up to 10m far range wireless anti-interference distance.Soft Mesh Fabric Padded Headband : Built-in metal adjustable, made of mesh fabric, ultra soft and comfortable.Soft Mesh Fabric Ear Pads : Lightweight and breathable mesh fabric earpads ensure comfortable wearing for hours of use.ENC Omni-Directional Mic. : The ENC omni-directional mic. reduces environment background and ambient noises for crystal-clear communication.Remote Functional Control : Volume /-, play/pause, previous/next track, pick up phone call, power on/off, etc.USB Type-C Rechargeable : Enjoy 3 hours of playback time after 15 minutes of quick charging.3-Ways Folding : Smart foldable design makes the headset very convenient whether it is placed in a backpack or hung around the neck. Make it easier and more convenient to carry around.Playtime 40H : The headset with built-in 400mAh battery can continually play more than 40 hours.Expert SpecsCONNECTIONBluetooth Version: v5.3Operating Range: Up to 10m (32 feet)Built-in Battery: 400mAh Lithium BatteryPlayback Time: 40HHEADPHONESpeaker Unit: 40mm Hybrid DiaphragmFrequency: 20Hz – 20KHzlmpedance: 32ohmSensitivity: 100dBMICROPHONEMic. Type: ENC Omni-DirectionalFrequency: 100Hz – 10KHzSensitivity: -42dBCABLEUSB Type-C Charging Cable: 50 cm