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

Performance Product type: Headset Wearing style: Head-band Recommended usage: Calls/Music Headset type: Binaural Product colour: Black Operating keys: Answer/end call, Bluetooth pairing, Mute, Play/Pause, Reject call, Volume +, Volume - Volume control: Button Control type: Buttons Cable length: 1.3 m Ports & interfaces Connectivity technology: Wireless Bluetooth: Yes Bluetooth version: 5.3 Wireless range: 30 m Headphones Ear coupling: Circumaural Headphone frequency: 20 - 20000 Hz Impedance: 32 Ω Headphone sensitivity: 109 dB Driver unit: 4 cm Total Harmonic Distortion (THD): 2% Microphone Microphone type: Boom Folding microphone: Yes Number of microphones: 3 Microphone noise-canceling: Yes Battery Battery capacity: 640 mAh Continuous audio playback time: 60 h Talk time: 31 h Battery recharge time: 2 h Battery voltage: 5 V System requirements Windows operating systems supported: Yes Mac operating systems supported: Yes Operational conditions Operating temperature (T-T): 0 - 40 °C Weight & dimensions Weight: 137 g