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.

Universal Compatibility: Rekavin Multi USB C Plug fast Charge supports Power Delivery 3.0/2.0 and QC 3.0/2.0.With USB C to lightning cable can quick charge for iPhone 14/14 Pro/14 Pro Max/13/13 Pro/13 Pro Max/12/12 Pro/12 Pro Max/12 Mini/SE 2020/11/11 Pro/11 Pro Max/XR/XS/X/8/7 iPad Air 2020 etc .And with USB C to C cable support Fast charge Samsung Galaxy S20 S10 Plus S9 S8 S7 A20s A21s A41 A50 A51(5G) A60 Note9 Xiaomi Redmi Note8 etc
Power 20W Fast Charging: Rekavin 20W USBC charger plug can provide a much more faster charging speed for your iPhone and ipad, Such iPhone 14 can be charged from 0% to 54% in only 30 minutes, 4 times faster than traditional 5W/1A adapter (Not Included Cable).
Smart IC Technology: This Dual port USB A and USB C plug built-in intelligent IC can auto-detect devices connected in each port while also identifying the appropriate current to charge each of your device optimally at their fully intended speeds up to a total of 3A and guarantee your devices are charging at their maximum speed, the sophisticated protection measures to ensure safety for you and your device(It become ordinary charging when two devices are charged at the same time).