The Hamilton MS2G-AMV Headphone with Goose Neck Microphone and Volume Control is the perfect companion to any of your Apple(TM) devices, tablets, Chromebooks or almost any mobile device. MS2G-AMV features foam ear cushions, an easy-to-wear lightweight design and a 4 foot long cord. All these features contribute to fatigue-free use in and out of the classroom. Comes in easy to mark light blue colors. Ideal headphone for testing! Connectivity Technology: WiredCable Length: 4 ftSound Mode: StereoImpedance: 32 OhmMinimum Frequency Response: 20 HzMaximum Frequency Response: 20 kHzFeatures: In-Line Volume ControlFeatures: Adjustable HeadbandFeatures: Chew ResistantFeatures: LightweightEarpiece Design: Over-the-headEarpiece Type: BinauralDriver Size: 1.18"Microphone Design: BoomHost Interface: Mini-phoneForm Factor: Supra-auralWeight (Approximate): 2.56 ozLimited Warranty: 1 Year