Factory-direct from COWIN (Shenzhen Meidong Acoustics) - High-quality Active Noise Cancelling Headphones Wireless Headset Playtime 30H BT 5.2 Over-ear Headphones with Deep Bass. Full OEM/ODM support: logo, colorway, packaging, firmware and manual localization. Produced in our 86,000 m2 acoustics plant (Shenzhen + Jiangxi), CE / FCC / RoHS / BQB certified. MOQ: 1 piece. Sample available for quality evaluation.