Features:

Wired + Wireless Best Sound GuaranteednCertified by the Hi-Res audio & the Hi-Res Wireless audio, the W820NB Plus"s high-frequency bandwidth is up to 40kHz. The music is reproduced with high resolution, more details, wider soundstage, and richer emotions. Wired or wireless, enjoy the high quality sound with vitality.nLDAC Audio Codec Feel the Rich DetailsnThe W820NB Plus features LDAC high definition codecs technology, with the transmission bandwidth up to 990kbps, like the highway in wireless protocol. The high bit-rate audio files are greatly protected during wireless transmission, with about 3 times music details retained, noffering nearly lossless sound, natural and full.nFine Tuned Drivers Dynamic and PowerfulnThe selected 40mm titanium coated composite diaphragm drivers have excellent transient response, greatly improving the resolution of high frequencies. They deliver a thick and dynamic bass & rich and transparent mid-treble. The powerful drums, soft vocals and melodious piano in the music are so exquisite that they touch your heartstrings instantly. The W820NB Plus amazes you like a live music show.nActive Noise Cancellation Deep to -43dBnWith the double ANC technology and the sealed ear wrapping design, the W820NB Plus can automatically identify noise and transmit the corrected signals. The noise cancellation depth is further up to -43dB. So you can better cope with complex noisy scenes in daily life such as airports, subways, buses, etc. Keep the noises out.nCrystal Clear as a Face-To-Face TalknAdopting the deep neural network call noise cancellation technology, the W820NB Plus can intelligently identify environmental noises, accurately pick up vocals and eliminate noises. A clear voice call is guaranteed even in noisy situations. Make communication as smooth as face-to-face.nAmbient Sound Awareness Real-Time Perception of the EnvironmentnActivate the ambient sound mode. No need to take off the headphones. Listen to music while perceiving the surroundings. No worry about missing important information, nor the bus or airport broadcasts, vehicle reminders, etc. Travel at ease.nLong Battery Life and Fast ChargingnWith the built-in large-capacity battery and the low power consumption Bluetooth chip, the power supply is sufficient for about 49 hours playback. No fear of power interruption during your travel. Enjoy your playlist at will.

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Specifications:
Brand	Edifier
Model	W820NB Plus
Color	Grey, White
Wearing Type	Over-ear
Net Weight (g)	220g
ANC	Yes
ANC Depth	-43dB
Sound Quality	Hi-Res, Hi-Res Wireless
Drivers	40mmu03c6 Dynamic
Microphone	Yes
Volume Control	Yes
bluetooth Version	V5.2
Supported Profiles	HFP/A2DP/AVRCP
Support Audio decoding	LADC,SBC
Transmission Distance	33 feet (10m)
Charging Time (h)	1.5h
Battery Life	ANC ON: 33h ANC OFF: 49h
Charging Interface	Type-C
Package Included:
1* Edifier W820NB Plus ANC Headset bluetooth Headphone
1* Charging Cable
1* Chinese Manual