Features:

Wired + Wireless Best Sound GuaranteedCertified 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.LDAC Audio Codec Feel the Rich DetailsThe 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, offering nearly lossless sound, natural and full.Fine Tuned Drivers Dynamic and PowerfulThe 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.Active Noise Cancellation Deep to -43dBWith 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.Crystal Clear as a Face-To-Face TalkAdopting 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.Ambient Sound Awareness Real-Time Perception of the EnvironmentActivate 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.Long Battery Life and Fast ChargingWith 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.