Bluetooth 5.3 and One-Step Pairing: T19 wireless headphones uses advanced Bluetooth 5.3 technology, supports HSP, HFP, A2DP and AVRCP, signal transmission faster, more stable and lower latency. After pairing for the first time, just open the charging case and your devices will connect automatically(Hall switch). Provide you with a more stable connection and perfect audio and video synchronization.
Professional Audio and Comfortable: Our Bluetooth headphones adopts AAC+SBC audio decoder and 14.2mm moving coil unit, which increases the frequency bandwidth by 25%, resulting in unique Hi-Fi sound. Different from in ear headphones, T19’s semi in-ear headphones weigh only 4g, which is lighter and more suitable for the structure of the human ear.
40 Hrs Playtime, Fast Charging: With a built-in 35mAh battery in each wireless earbuds, you can talk or listen to music for up to 6-8 hours on a single charge. The portable charging case provides a quick 1.5 hour charge and with a built-in magnet for added retention, you can use it for up to 40 hours to meet your needs.

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.