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

Technical details
Warranty period: 2 year(s)

Operational conditions
Operating temperature (T-T): 0 - 40 °C

Weight & dimensions
Weight: 137 g

System requirements
Mac operating systems supported: Yes
Windows operating systems supported: Yes
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

Performance
Product colour: Black
Cable length: 1.3 m
Recommended usage: Calls/Music
Operating keys: Volume +, Bluetooth pairing, Mute, Volume -, Play/Pause, Answer/end call, Reject call
Headset type: Binaural
Control type: Buttons
Volume control: Button
Wearing style: Head-band
Product type: Headset

Packaging data
Package weight: 392 g
Package width: 194 mm
Package type: Box
Package depth: 211 mm
Package height: 76 mm

Packaging content
Cables included: USB Type-C to USB Type-C

Ports & interfaces
Bluetooth: Yes
Connectivity technology: Wireless
Wireless range: 30 m
Bluetooth version: 5.3

Battery
Continuous audio playback time: 60 h
Battery voltage: 5 V
Battery capacity: 640 mAh
Battery recharge time: 2 h
Talk time: 31 h

Microphone
Folding microphone: Yes
Microphone type: Boom
Number of microphones: 3
Microphone noise-canceling: Yes

Safety warning
Warnings: Regularly check the condition of the batteries to prevent leaks., Do not use near sources of heat or flame., Keep away from children.

Headphones
Headphone sensitivity: 109 dB
Headphone frequency: 20 - 20000 Hz
Total Harmonic Distortion (THD): 2%
Driver unit: 4 cm
Impedance: 32 Ω
Ear coupling: Circumaural