:An All-Conditions active true wireless earphones designed for everyone. Engineered with Freebit™ wing-shaped locks an award-winning and patented ergonomic solution for a customized secure-fit so you can move freely without wires. Durability tested together with Hi-Definition sound the S-FIT provides a motivating listening experience for your daily grind.|Features & Benefits:- Bluetooth 5.0 - IP67 Water & Dust Proof - Shock Resistant - Up to 33hrs Playtime - Transparency Mode - USB-C Fast Charge - AAC Codec - Auto Pairing - Ergonomic Fit - Portable|