Take your music on the road with wireless freedom. These Bluetooth headphones offer adjustable, cushioned ear cups for all-day listening without fatigue. A built-in mic allows you to move effortlessly between music and calls, while on-ear controls let you adjust your music without reaching for your device. Plug in the included 3.5mm audio cable to listen to your non-wireless devices or to simply prolong your battery life! Number of Batteries: 1 Included: 1 Usb Cable(s), 1 3.5mm Audio Cable(s) Features: Wireless, Rechargeable, Bluetooth Compatible, Adjustable Headband, Built-In Microphone Battery Type: Lithium Ion Impedance: 32 Ohms Inputs/Outputs: 1 3.5mm Audio Input(s) Manufacturer Warranty: 90 Day Parts Limited Power Source: Battery (included) Measurements: 2.83 Width/Inches, 7.4 Height/Inches, 6.77 Length/Inches Minimum Frequency Response: 20 Hertz Maximum Frequency Response: 20 Kilohertz Weight (lb.): 0.3 Lb Country of Origin: Imported