adjustable headband: Yes
base station colour: Black
base station usb connector: USB Type-C
battery capacity: 1.48 Wh
battery operated: Yes
battery recharge time: 1.5 h
battery type: Built-in battery
battery voltage: 3.7 V
bluetooth: Yes
bluetooth version: 5.0
charging stand: Yes
connectivity technology: Wireless
continuous audio playback time: 22 h
country of origin: China
depth: 168.4 mm
ear coupling: Supraaural
folding microphone: Yes
frequency band: 2.402 - 2.48 GHz
harmonized system (hs) code: 85183000
headphone frequency: 0 - 20000 Hz
headphone sensitivity: 110 dB
headset type: Monaural
height: 52 mm
impedance: 32 Ω
input voltage (charging case): 5 V
interface adapters included: USB Type-C male - USB Type-A female
master (outer) case gross weight: 14.7 kg
master (outer) case height: 385 mm
master (outer) case length: 648 mm
master (outer) case width: 398 mm
maximum input power: 10 mW
microphone mute: Yes
microphone noise-canceling: Yes
microphone type: Boom
noise canceling: Yes
number of simultaneously connected devices (max): 2
package depth: 181 mm
package height: 176 mm
package weight: 343 g
package width: 60 mm
product colour: Black
product type: Headphones
products per master (outer) case: 40 pc(s)
quick start guide: Yes
receiver included: Yes
recommended usage: Office/Call center
total harmonic distortion (thd): 3%
wearing style: Head-band
weight: 150 g
width: 146.1 mm
wireless receiver interface: USB Type-A