Warranty: 1 Year Product Description: ADJUSTABLE HEADBAND This sturdy yet lightweight stereo headset has a broad range of adjustment. Ultra-soft foam ear cushions provide hours of comfort. MULTI DEVICE HEADSET WITH NOISE CANCELLING MIC:The simple way to start talking when using computers, smartphones and tablets. Features a standard 3.5mm audio jack and is compatible with most operating systems and platforms. Get just what you need to hear and be heard clearly. STEREO SOUND: Enjoy clear audio for calls, music, and games. A reliable headset for daily audio including video calls with family or colleagues. Frequency response (Headset): 20 Hz - 20 KHz 3.5MM AUDIO JACK CONNECTION:Simply plug the 3.5mm jack into your computer, smartphone or tablet and you’re ready to talk.