Headphones “W16 Cool motion” wireless and wired adjustable head beam

Headphones material: ABS.
Sizes: 185*155*70mm, weight: 155g, speaker: 40mm.
Wireless version: 4.2, Wireless chip: Jerry.
Battery capacity: 300mAh, charging time: 3 hours.
Call, music time: 4 hours, standby time: 200 hours.
Equipped with 3.5mm audio cable interface, wired and wireless free conversion.