• [Hi-Res Audio with LDAC]：The W830NB features 40mm large dynamic drivers and an independent acoustic chamber layout, supports LDAC high-definition decoding for Hi-Res Wireless audio, transmitting at a transfer rate of 990kbps，offering 3X music detail of standard Bluetooth codes and delivering rich sound quality that lets you feel every note.

• [-45dB Noise Cancellation]：Upgraded hybrid digital noise-canceling technology achieves noise reduction of up to -45dB, an 18% increase compared to the previous generation. Supports four ANC modes that hear what you want by switching modes.

• [Immersive Spatial Audio]：With a three-dimensional sound stage algorithm, it brings a cinema-level surround atmosphere to provide an immersive stereo listening experience.

• [Astonishing 94 Hours Playtime & Fast Charging]：Featuring a built-in large-capacity battery and a low power consumption chipset, it offers an impressive 94 hours of continuous music playback with ANC off. Fast charging feature supports up to 10 hours of use on a 15 minute charge. Easily extends usage without the hassle of frequent recharging.

• [DNN Noise Reduction for Clear Call]：Deep Neural Network (DNN) noise reduction technology intelligently recognizes speech and precisely separates human voices from noise, enabling you to talk clearly even on noisy places.

• [All-day Comfort & Foldable]：Featuring ergonomic design with soft, comfortable earpads and an adjustable headband, weighing around 265g for extended listening sessions. Fully foldable design for flexible portability, travel-friendly.

• [Latest Bluetooth V5.4 Technology]：Featuring the latest Bluetooth V5.4 technology, enjoy a more stable and smooth connection when playing music, online meetings and calls.

• [Customizable Settings]：There are three preset EQs in the EDlFlER ConneX App which also support custom EQs for a personalized listening experience.

• [Warranty]：This product comes with a one-year warranty, guaranteeing the performance and providing you with reliable support