Sennheiser HD 450BT Wireless Headphones - Stereo - Mini-phone (3.5mm) - Wired/Wireless - Bluetooth - 18 Hz - 22 kHz - Over-the-head - Binaural - Circumaural - MEMS Technology Microphone - Noise Canceling - White

Immense yourself in quality sound with this stereo headset Circumaural design provides optimum comfort and noise isolation Hear low subs and soaring vocals with a frequency range of sound from 18 Hz-22 kHz Listen to your favorite music even when your battery runs out with the wired connectivity option Dance to your favorite tracks and never worry about the wires getting in your way with these wireless Bluetooth headset Mini-phone (3.5mm) connector provides versatile and secure connectivity Listen to your favorite music with this over-the-head design headset