Lenovo 4XD1Q30302 headphones/headset Wireless Head-band Calls/Music Bluetooth Black

Certification: CB, BQB, CE, TUV mark, UKCA, RCM, EAC, cTUVus, FCC, ICES, WPC, BIS, SRRC, SIRIM, KC, IMDA,SDOC, SDPPI, JRF, RAMATEL, ANATEL, BSMI, NCC, ICASA | Warranty period: 2 year(s) | Microphone noise-canceling: Yes | Impedance: 32 Ω | Wearing style: Head-band | Weight: 137 g | Headphone sensitivity: 109 dB | Cables included: USB Type-C to USB Type-C | Product type: Headset | Package weight: 392 g | Battery recharge time: 2 h | Windows operating systems supported: Yes | Headset type: Binaural | Talk time: 31 h | Continuous audio playback time: 60 h | Number of microphones: 3 | Mac operating systems supported: Yes | Package depth: 211 mm | Cable length: 1.3 m | Connectivity technology: Wireless | Operating keys: Volume + | Operating keys: Bluetooth pairing | Ear coupling: Circumaural | Operating keys: Reject call | Product colour: Black | Microphone type: Boom | Bluetooth version: 5.3 | Operating temperature (T-T): 0 - 40 °C | Operating keys: Play/Pause | Operating keys: Answer/end call | Recommended usage: Calls/Music | Battery voltage: 5 V | Driver unit: 4 cm | Folding microphone: Yes | Wireless range: 30 m | Operating keys: Mute | Battery capacity: 640 mAh | Bluetooth: Yes | Package width: 194 mm | Volume control: Button | Operating keys: Volume - | Headphone frequency: 20 - 20000 Hz | Control type: Buttons | Total Harmonic Distortion (THD): 2% | Package type: Box | Package height: 76 mm