1.[ANC & ENC Noise Cancellation] Featuring advanced hybrid active noise cancelling technology,SUNJOM bluetooth earbuds deliver exceptional noise control across a wide frequency range. "Transparent Mode" This feature lets in ambient noise, so you can easily hear announcements on a bus or subway, or listen to what's happening around you without removing the active noise cancelling headphones. The sensitive buttons control makes it easy to switch between this two modes 2.[Latest Bluetooth 5.3 Technology]The earbuds Carrying latest Bluetooth 5.3 technology, after booting, 1-3 seconds to quickly pair bluetooth,ensuring seamless audio transmission and no lag during calls or music playback, providing you with uninterrupted music playback. 3.[Long Battery Life &Type-C Fast Charging]bluetooth earbuds with charging case owns the latest power battery system and technology,allowing you to listen to 6 hours of music of single charge and 20 hours of music with case.What amazing long lasting battery life!Enjoy fast charging, to fully charge the rechargerable case only less than 1 hours via charging cable 4.[Comfortable to Wear& Easy to Carry] ear buds designed with utmost attention to fit and comfort. That's why we offer S-M-L ear tip sizes to a for all ear shapes and sizes. They also feature arc edging that fits snugly at the entrance of your ear, ensuring a secure fit during workouts and other activities 5.[One-step Pairing&Broad Compatibility] With one-click pairing, these earbuds can be easily connected to a variety of devices, including laptops, tablets, and Android/iOS smartphones. Stay connected and enjoy high-quality audio wherever you go Colour:Black Material:ABS Package Contents: 1 pair x headphones 1 x Type-C charging cable 1 x charging case 1 x ear cap bag 1 x Chinese and Engli instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.