The POLONA04 headset is the perfect choice for phone calls, video conferencing and chatting online. The flexible microphone features noise cancelling technology that picks up your voice and blocks background noise, and delivers clear, high-fidelity sound. A 270-degree rotatable microphone easily adjusts to find the perfect angle for voice capture. The headset also features a microphone mute button which can be activated with a single press.

This lightweight headset has soft ear pads and an adjustable headband for long-term comfort, while the powerful battery provides continual operation for up to 44 hours under normal use.

The included Bluetooth audio adapter supports PC or laptop functionality where Bluetooth is not an option, offering wide compatibility. This feature provides easy pairing, via simple plug-and-play technology.
The versatile and feature-rich Noise-cancelling Wireless Microphone Headset is a perfect option for busy call centers, general workplace environments or daily home use.

Conceptronic POLONA04BA. Product type: Headphones. Connectivity technology: Wired & Wireless, Bluetooth. Recommended usage: Calls/Music. Weight: 6.1 oz (173 g). Product color: Black

Product type	Headphones
Wearing style	Head-band
Recommended usage	Calls/Music
Product color	Black
Headset type	Binaural
Operating keys	Mute
Signal-to-Noise Ratio (SNR)	55 dB
Country of origin	China
Connectivity technology	Wired & Wireless
3.5 mm connector	Yes
USB connectivity	Yes
USB connector	USB Type-C
Bluetooth	Yes
Bluetooth profiles	A2DP, AVRCP, HFP, HSP
Bluetooth version	5.3
Frequency band	2.402 - 2.48 GHz
Ear coupling	Supraaural
Impedance	32 Ω
Microphone type	Boom
Microphone sensitivity	-42 dB
Microphone noise-canceling	Yes
Microphone mute	Yes
Battery operated	Yes
Battery type	Built-in battery
Battery capacity	600 mAh
Continuous audio playback time	44 h
Rechargeable battery	Yes
Talk time	40 h
Battery recharge time	2 h
Battery voltage	3.7 V
Battery capacity	2.22 Wh
Operating temperature (T-T)	0 - 45 °C
Width	2.68" (68 mm)
Depth	6.66" (169.2 mm)
Height	7.34" (186.5 mm)
Weight	6.1 oz (173 g)
Package width	3.07" (78 mm)
Package depth	7.28" (185 mm)
Package height	7.87" (200 mm)
Package weight	10.3 oz (293 g)
Package type	Box
Quick start guide	Yes
Receiver included	Yes
Wireless receiver interface	USB Type-A
Cables included	USB Type-A to USB Type-C
Master (outer) case width	16.5" (420 mm)
Master (outer) case length	30.1" (765 mm)
Master (outer) case height	9.65" (245 mm)
Master (outer) case weight	15.1 lbs (6.85 kg)
Quantity per master (outer) case	20 pc(s)
Output power	10 mW
Compliance certificates	CE, RoHS
Sustainability compliance	Yes