"Superior Sound Quality with Noise Cancellation: Not only do the in-ear headphones provide excellent noise isolation of over 38 dB and block up to 90% of background noise, but the sound quality is also excellent thanks to 4 microphones. With these Bluetooth headphones, you can enjoy clear calls and meetings even in noisy environments such as roads or subways.Lightning-Fast and Lag-Free Bluetooth Connection: With the Bluetooth 5.3 chip, these wireless Bluetooth headphones can achieve lightning-fast data transmission with 75% faster speeds. With an amazing range of over 15 meters, these wireless headphones are a must-have for any gaming enthusiast and ""Amazon Direct"" lover. The ""Wireless Bloototh Headphones"" connect to your devices such as mobile phones or computers in less than a second.Up to 50 Hours of Battery Life and LED Display: The LED screen on the in-ear headphone case shows the accurate battery level. The earbuds and Bluetooth headphone charging case can be charged quickly. The large-capacity battery allows you to enjoy up to 50 hours of music continuously.IPX7 Waterproof and Ergonomic Design: The Bluetooth in-ear headphones weigh less than 4 grams and come with three different sizes of earbuds (S/M/L). This in-ear Bluetooth headset adopts IPX7 nano-level waterproof, dustproof, and sweatproof structure to ensure comfortable and stable wearing during exercise.With Touch Function and Universal Compatibility: The sensitive touch function allows you to wirelessly control the headset with just a touch. Just one tap to answer a call, hang up a call, pause or play music. The Bluetooth headset is compatible with almost all iOS and Android phones, computers, watches, and tablets."