:A new class of true wireless earphones with active noise cancellation audio transparency mode ergonomic fit and comfort. The SYNC ANC is packed with technology that will make you feel the music that is meant to be heard in style and silence.|Features & Benefits:- Bluetooth 5.1 – Active Noise Cancelling – Up to 25hrs Playtime – Transparency Mode – IPX4 Sweat Resistant – AAC Codec – Auto Pairing – USB-C Fast Charge – Portable|