These are Brand New Vic Firth Bluetooth Isolation Wireless Headphones. The are Closed (Around the Ear). 50mm Driver Size. 25dB, Passive Noise Isolating. Can connect via Bluetooth or Optional 1/8" Plug. Detachable 5ft Cable. Rechargeable. Battery Life is 20 Hours. FREE SHIPPING WITHIN THE CONTINENTAL UNITED STATES ONLY! PLEASE INQUIRE ABOUT SHIPPING COSTS TO ANY OTHER LOCATION!