Bluetooth 5.3 and One-Step Auto Pairing: Csasan wireless earbuds adopt the most advanced bluetooth 5.3 technology, providing you with 2X faster transfer speeds (80% higher than the previous generation) and a more stable connection, with almost no delay. Whether you’re making calls or sports, there’s no need to worry about signal interruption. Once the bluetooth earphones are connected for the first time, simply open the charging case and the ear buds will automatically connect to your phone.
Immersive Sound and ENC Noise Cancelling Mics: These wireless earphones adopt a unique stereo design with 13mm big composite diaphragms and AAC codec to produce professional-grade sound. The bluetooth headphones are equipped with ENC noise reduction double mics to passively cancel 80% of background noise, allowing you and the caller to hear each other better and make crystal-clear calls with minimal background noise.
40 Hours Playtime and LED Display: These bluetooth earbuds provide up to 6-8 hours of high-quality sound output on a single 1.5-hour charge, and the included charging case provides an additional 4 charges, giving a total playtime of 40 hours. They feature a smart LED digital display, allowing you to easily monitor the battery consumption of both the wireless ear buds and the charging case so you can know when to charge them. You’ll never have to worry about battery life even on long trips.

2023 Latest Bluetooth 5.3 Technology and Stable Connection: The bluetooth earbuds are equipped with the latest Bluetooth 5.3 chip, supports A2DP, AVCTP, AVRCP, AVDTP, HFP and SPP Protocol, which provides faster transmission speed, stronger connection stability and longer range of bluetooth(Up to 15m). You will experience a smoother and clearer music playback and conversations than ever with no more worries about signal loss or music dropouts. Rid of cord, enjoy true wireless.
Mini Ultra Lightweight and Ergonomic Design: The in ear headphones are small, ultra-light and comfortable. The size of the charging case is 6.1*4.8*2.3 cm, 33g. Equipped with 3 different sizes ear tips (S/M/L) giving you more choices. Each earphone weighs only 4g, the ultra-light and ergonomic design allows you to wear them for a long time without feeling uncomfortable. Such a light weight will even make you ignore the earphones in your ears.
Premium Deep Bass Stereo Sound and Crystal Clear Call: The headphones wireless is equipped with a 13mm aperture driver, and adopts AAC/SBC audio coding technology and a unique stereo design to make the bass more powerful and the midrange full and textured. The built-in mic in each earbuds utilizes call noise cancellation to ensure clear and realistic sound. It will allow you to enjoy high-quality conversations anytime, anywhere. Make your lifestyle cool with these Noise Cancelling headphones.