Offer: Sale Brand: Lenovo Model/PN: GXD0U47643 Type: Bluetooth over-ear headphones Headphone Connectivity Technology: Bluetooth, USB Digital Audio Headphone Type: Over-Ear Wireless Range: 10 m Microphone: Yes Active Noise Cancellation (ANC): Yes Driver/Speaker Diameter: 40 mm Frequency: 20 - 20 000 Hz Sensitivity: 111 dB Impedance: 32 Volume Control: Yes USB Q-ty: 1 Headphone Cable Length: 1.3 m Charging Time: 3 hours Battery Life: Up to 14 hours Color: Silver Dimensions (Height x Width x Depth): 232 x 210 x 70 mm Weight: 214 g Warranty For Individual Customer: 24