The Edifier W820NB Plus are the worthy successor and improved version of the W820NB. These over-ear headphones with active noise cancellation stand out for their magnificent wireless sound response, thanks to the integration of the LDAC codec, and their ability to become the essential accessory of your day to day, with 49 hours of non-stop battery life and an ergonomic design. Features: - Only music in your ears: With hybrid ANC technology and sealed ear wrap design, the Edifier W820NB Plus can automatically identify noise and transmit the corrected signals. The noise cancellation depth is up to -43 dB so you can better cope with noisy everyday scenes such as airports, subways, buses, streets, offices, etc. On the other hand, by adopting deep neural network call noise cancellation technology, the W820NB Plus can intelligently identify ambient noises, accurately pick up voices and eliminate noises. Thus, a clear voice call is guaranteed even in noisy situations. In addition, if you prefer to be aware of what is happening in the listening environment, thanks to the ambient sound mode function, you can listen to music while being aware of everything that is happening around you. - Up to 49 hours of battery life: With the built-in large-capacity battery and low-power Bluetooth chip, the power supply is enough to offer approximately up to 49 hours of playback with noise cancellation disabled, and about 33h with noise cancellation enabled. Enjoy your favorite playlists. LDAC codec and richness in details: The Edifier W820NB Plus features LDAC high-definition codec technology, with a transmission bandwidth of up to 990 kbps. - High bitrate audio files are highly protected during wireless transmission, with about 3x the details of music, delivering near-lossless, natural and full sound. Other available codecs: aptX HD (576kbps), AAC (512kbps) and SBC (328kbps). - Compatible with Edifier Connect: These ANC headphones are also compatible with the Edifier Connect mobile app, ideal for exploring more musical possibilities, and for managing other individual aspects such as power display, EQ selection, sleep timer, reminder volume and soothing sounds, etc. - Low Latency Gaming Mode: In gaming mode, the latency is as low as 0.08s, while sound and images are highly synchronized. In-game positions are accurately heard, easily dedicating yourself to the game battlefield. Play with your role as one. - Bluetooth or wired. No matter, the best sound is here: Certified by Hi-Res Audio and Hi-Res Wireless Audio, the high-frequency bandwidth of Edifier W820NB Plus is up to 40kHz. Music is reproduced with high resolution, more details, a wider soundstage, and richer emotions. Wired or wireless, enjoy high-quality sound with vitality. - Optimized, Dynamic and Powerful Drivers: Selected 40mm titanium-coated composite diaphragm drivers have excellent transient response, - greatly improving high-frequency resolution. They deliver thick, dynamic bass and rich, transparent mid-range. The powerful drum, soft vocals and melodious piano of the music are so exquisite that they strike your heartstrings instantly. Without a doubt, these W820NB Plus will put you in a live music show. - Lightweight Design Texture & Guaranteed Comfort: Based on Edifier’s database, the design of these new headphones is repeatedly perfected. The super soft headband and ear cushions are comfortable to wear for long periods of time. The headphone boom is retractable to fit different head sizes, giving you a secure fit with less pressure. Meanwhile, the ear cushions of the Edifier W820NB Plus are millimeter-perfectly designed to enhance bass response for full sound enjoyment. Specifications: - Bluetooth: V5.2 - Bluetooth Protocol: A2DP, AVRCP, HFP Battery: - ANC on: Approx. 33 hours (SBC codec) - ANC off: Approx. 49 hours (SBC codec) - Charging Port: USB Type-C - Charging Time: Approx. 1.5 hours - Power supply: 5V ~ 1A - Audio coding: LDAC, SBC - Driver (diameter): 40 mm, Dynamic - Frequency response: 20 Hz - 40 kHz - Output sound pressure level: 91 dB ± 3 dB SPL (A) - Weight: Approx. 221 g - Dimensions (L x W x H mm): 164.8 mm x 191.3 mm x 82.3 mm