HNB (Model:HB-21)

Model: HNB china brand HB21 Transmission distance10 meters (obstacle-free) Wearing method: Clip ear wearing Standby time: about 480 hours Music time: about 24 hours BT version: v5.3 Charging interface: Type-c fast charge Charging time: about 1-2 hours Product color: black INCLUDE:1PAIR Non-In-Ear Headphones 1pcs earphone charging case 1pcs instruction manual 1pcs box 1pcs charger cable