Bluetooth headset ANC

Weight & dimensions
Depth: 74 mm
Weight: 181 g
Height: 178 mm
Width: 176 mm

Performance
Wearing style: Head-band
On/off switch: Yes
Recommended usage: Office/Call center
Product colour: Black
Adjustable headband: Yes
Product type: Headset
Headset type: Binaural

Packaging data
Package depth: 220 mm
Package height: 203 mm
Package weight: 409 g

Packaging content
Receiver included: Yes
Quick start guide: Yes
Safety sheet: Yes
Cables included: USB Type-C
Pouch: Yes
Wireless receiver interface: USB

Ports & interfaces
Connectivity technology: Wireless
Bluetooth: Yes
Wireless range (line of sight): 30 m

Battery
Fast charging: Yes
Standby time: 300 h
Charging source: USB
Battery recharge time: 2.5 h
Input voltage (earpieces): 5 V
Talk time (ANC off): 20 h

Logistics data
Products per master (outer) case: 10 pc(s)
Master (outer) case length: 432 mm

Microphone
Microphone sensitivity: -20 dB
Microphone type: Boom
Microphone frequency: 100 - 16000 Hz
Number of microphones: 3

Headphones
Total Harmonic Distortion (THD): 0.5%
Driver type: Dynamic
Noise canceling type: Active
Headphone frequency: 20 - 20000 Hz
Acoustic system: Closed
Impedance: 20 Ω
Noise canceling: Yes