【Lightweight earhook design & Focus on exercise】These running headphones feature adjustable, secure-fit silicone ear hooks and an ergonomic design to ensure you're wearing the earbuds comfortably and securely during sports and outdoor activities without worrying about the earbuds falling off due to strenuous exercise. Comes with S/M/L size spare silicone ear cups, choose the right size to disperse pressure and comfortably seal your ears for a better listening experience. 【Button control & IPX6 waterproof】The wireless earbuds adopts IPX6 waterproof technology, the surface of the earphone is sealed to prevent the entry of sweat or rain, and the inner nano-coating prevents moisture in the air from damaging the components. The earphones are controlled by buttons, and there will be no insensitive touch or wrong touch. These buttons help you easily access various functions, keeping you light and pleasant during vigorous exercise or everyday use. 【Hi-Fi stereo & CVC 8.0 noise reduction】Hi-Fi bluetooth earphones feature 10mm dynamic drivers and a unique stereo design that balances treble, bass and mids for authentic musical enjoyment. Noise cancelling headphones with the latest cvc 8.0 call noise reduction technology provide balanced and natural sound with excellent dynamic range and accuracy, enjoy high-definition calls without audio noise and distractions, allowing you to focus more on your favorite music and focus on sports. 【Bluetooth 5.1 & One-step pairing】The true wireless Bluetooth headphones uses an advanced Bluetooth 5.1 chip to ensure that the data is more stable, low-latency, and low-loss during the transmission process, and can achieve a connection distance of about 15 meters. This bluetooth earphone also has an auto-reconnect feature, just take the wireless earphones out of the charging case and they will automatically connect to your phone. 【75 hours long playtime & LED display】The sports earbuds can be used for up to 15 hours on a full charge, and with a 650mAh charging compartment, the playback time can be extended to 75 hours. The charging compartment shell is designed with a smart LED digital display, which allows you to easily understand the power status of the wireless earphones and charging box without opening the cover. The Bluetooth headset uses USB-C fast charging, charging for 10 minutes and playing for 1 hour.