Lenovo 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey

Operating temperature (T-T): 0 - 45 °C
Weight: 153 g
Windows operating systems supported: Windows 10
Mobile operating systems supported: Android, iOS
Mac operating systems supported: Yes
Certification: CB, BQB, CE, TUV mark, UKCA, RCM, EAC, cTUVus, FCC, ICES, WPC, SRRC, SIRIM, KC, IMDA, SDPPI, JRF
LED indicators: Yes
Product colour: Grey
Cable length: 1.3 m
Foldable: Yes
Colour name: Thunder Gray
Adjustable headband: Yes
Control type: Touch
Wearing style: Head-band
Recommended usage: Office/Call center
Product type: Headset
Headset type: Binaural
Operating keys: Mute, Multi-key, Reject call, Microsoft Teams button, ANC control, Answer/end call, Volume -, Volume +, Bluetooth pairing
Package width: 187 mm
Package type: Box
Package weight: 554 g
Package height: 56 mm
Package depth: 165 mm
AC adapter included: No
Wireless receiver interface: USB Type-C
Warranty card: Yes
Cables included: USB Type-C to USB Type-C
Pouch: Yes
Receiver included: Yes
Connectivity technology: Wireless
Bluetooth: Yes
Bluetooth version: 5.3
Wireless range: 30 m
USB connector: USB Type-C
USB connectivity: Yes
Battery voltage: 5 V
Battery recharge time: 2 h
Continuous audio playback time: 50 h
Battery capacity: 640 mAh
Number of microphones: 5
Microphone frequency: 20 - 2000 Hz
Microphone direction type: Unidirectional/Omnidirectional microphone
Microphone mute: Yes
Microphone noise-canceling: Yes
Microphone type: Boom/Built-in microphone
Driver unit: 2.8 cm
Ear coupling: Supraaural
Total Harmonic Distortion (THD): 3%
Headphone sensitivity: 120 dB
Headphone frequency: 20 - 20000 Hz
Impedance: 16 Ω