New in the box sealed. PRODUCT FEATURES Over-the-ear design for a secure fit. Rapid Charge technology provides 4 hours of play time after 10 minutes of charge. Bluetooth interface enables simple wireless pairing with your Bluetooth-enabled device. Built-in microphone Rechargeable battery offers up to 22 hours of use on a charge. Noise isolation helps minimize background sounds. Folding design Memory foam earpads for stylish looks and durability. 5mm connector 40mm drivers deliver powerful sound. 20Hz - 20kHz frequency response for faithful sound reproduction. 32 ohms impedance to efficiently conduct power. Stereo design delivers crisp tones. Noise Cancelation Type - Passive Driver Size -40 millimeters