Brand: HOCO Model: W23 Color: Black. White Material: ABS Plug: 3.5mm Wired Length: 1.2m Type:Over-ear bluetooth Headphone bluetooth version: 5.0 Capacity: 300mAh Charging Time: 2h Talking Time:8h Music Time:8h Standby Time:200h Speaker: 40mm Demension:186*180*75mm Weight:187g Protein earmuffs, soft and stress-free