Bluetooth 5 technology:Compared with the previous Bluetooth V4.2 wireless earbuds. here you are getting 2x faster transmission speed and more stable connectivity with no signal loss or music dropouts. The range is up to 50ft away. USB-C Quick Charge:Type-C USB 3.1 connector transfer speed is up to 10 and charge fully in 90 minutes. Moreover, Type C offers a more stable and safer way to charge. This design also increases Bluetooth earbuds battery life dramatically. IPX5 Waterproof:It is suitable for sports to prevent water. Ideal for sweating it out at the gym.