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: 1Included: 1 3.5mm Audio Cable(s), 1 Usb Cable(s)Features: Built-In Microphone, Rechargeable, Adjustable Headband, Wireless, Bluetooth CompatibleBattery Type: Lithium IonImpedance: 32 OhmsInputs/Outputs: 1 3.5mm Audio Input(s)Manufacturer Warranty: 90 Day Parts LimitedPower Source: Battery (included)Measurements: 2.83 Width/Inches, 7.4 Height/Inches, 6.77 Length/InchesMinimum Frequency Response: 20 HertzMaximum Frequency Response: 20 KilohertzWeight (lb.): 0.3 LbCountry of Origin: Imported