QUALCOMM APTX AUDIO TECHNOLOGY: The ZEAKOC S1 truly wireless earbuds are in equipped with renowned CSR Apt-X decoder, allow the headphone to transfer lossless audio source, let you experience clear, crystal and powerful sound, the only thing you need to do is focus on the things that you love, and enjoy unity experiences of music and life.

STRONGER SINGNAL & LONG BATTERY LIFE: Latest CSR Bluetooth 5.0 technology provides a solid connection and lower power consumption, also support dual stereo calling, just fully charged the Bluetooth earbuds, then they will support you to enjoy 7-8hours music or call. ZEAKOC S1 comes with a 500mAh portable charging case, just put earbuds into the case, the earphones will automatically charge, just bring the case, the total working time will be upped to 40hours.

LIGHTWEIGHT & COMFORTABLE WEARING: S1 designed for fitting human being's ear perfectly, 2000 times testing just for getting the best wearing experiences, one earbud only weight 4g, they will fit steady and no air pressure when you put them into your ears, and you will feel nothing but comfortable.

ONE STEP TO PAIRING: After first time pairing, you don't need to manual turn on the earbuds for using, you just need to open the case cover, then it will automatically power on and reconnect to your device that has been paired.

TWO WAY FOR USING: You can use the earbuds at the same time for a good sounds experience, or use one of the earbuds for calling, it is safe when you are driving or do something that needs you to keep ear sensitive, just paired the L&R earbuds individually, in the next time, take out one of the earbuds, the earbud will auto-pair back to your phone.