Connectivity technology Wireless Wireless communication technology Bluetooth Material Plastic Water resistance level Waterproof About this item One-click to turn on active noise cancellation-Maximum depth up to 35dB. Whether it is a noisy outdoor or a bus or subway with noisy people, you can turn on Do Not Disturb with one button, allowing you to enjoy the beautiful music anytime, anywhere Three level adaptive noise reduction-Using the AI intelligent algorithm, it can actively adjust according to the noise level of the environment, switch different noise reduction depths for you, and make the noise reduction experience more comfortable. Dual-mic AI call noise reduction-The artificial intelligence AI voice algorithm can accurately identify human voice and environmental noise, and can accurately pick up the voice even if you are talking in a noisy environment. Dual transparency mode-Want to switch freely between music mode and chat mode? Long press to enter transparent mode, and you can talk to your friends while wearing headphones. Superior sound quality-The 10mm large-sized moving coil unit can make people's voice more pleasant, the low frequency is fuller, and the treble is clearer. Choose a high-quality diaphragm as thin as 0.006mm to restore more details to your favorite music.