Use Portable Media Player, Mobile Phone, Aviation, Computer, DJ, Gaming, Sports, Audiophile, travel, PROFESSIONAL, HEARING AID Communication Wireless Style Headband Bluetooth Standard Bluetooth v5.0 Active Noise-Cancellation Yes Cord Length Wireless Waterproof Standard IPX-5 Product name Wireless Bluetooths Headphone Type Headband Headset Bluetooth Version BT 5.0v Talking time 20 hours Charge time 2-2.5hours