Headphones material: ABS + aluminum alloy.
Size: 170*65*170 mm, weight: 170g.
Speaker: 40mm.
Wireless version: 4.1, wireless chip: CSR.
Battery capacity: 300mAh, charging time: 3 hours.
Talk and music time: 7 hours, standby time: 200 hours.
Protein leather earmuffs that are soft and cause no pressure.
Metallic telescopic head beam that is firm and not easily broken.
With 3.5mm audio jack, to switch between wired and wireless connections at will.
Nordic design, metal baking finish, high-end feeling.