Conceptronic POLONA Wireless Bluetooth Headset with Charging Dock & Bluetooth USB Audio Adapter

Weight & dimensions
Height: 52 mm
Depth: 168.4 mm
Weight: 150 g
Width: 146.1 mm

Performance
Product colour: Black
Number of simultaneously connected devices (max): 2
Product type: Headphones
Wearing style: Head-band
Country of origin: China
Headset type: Monaural
Adjustable headband: Yes
Recommended usage: Office/Call center

Packaging data
Package width: 60 mm
Package height: 176 mm
Package depth: 181 mm
Package weight: 343 g

Packaging content
Receiver included: Yes
Wireless receiver interface: USB Type-A
Quick start guide: Yes
Charging stand: Yes

Ports & interfaces
Bluetooth: Yes
Frequency band: 2.402 - 2.48 GHz
Connectivity technology: Wireless
Bluetooth version: 5.0

Battery
Battery capacity: 400 mAh, 1.48 Wh
Input voltage (charging case): 5 V
Battery type: Built-in battery
Battery recharge time: 1.5 h
Battery operated: Yes
Battery voltage: 3.7 V
Continuous audio playback time: 22 h

Other features
Interface adapters included: USB Type-C male - USB Type-A female

Logistics data
Master (outer) case length: 648 mm
Products per master (outer) case: 40 pc(s)
Master (outer) case height: 385 mm
Master (outer) case gross weight: 14.7 kg
Master (outer) case width: 398 mm
Harmonized System (HS) code: 85183000

Microphone
Folding microphone: Yes
Microphone noise-canceling: Yes
Microphone type: Boom
Microphone mute: Yes

Headphones
Total Harmonic Distortion (THD): 3%
Noise canceling: Yes
Headphone sensitivity: 110 dB
Maximum input power: 10 mW
Ear coupling: Supraaural
Impedance: 32 Ω
Headphone frequency: 0 - 20000 Hz

Base station
Base station colour: Black
Base station USB connector: USB Type-C