Input : 5v/ 400ma (usb-c)
working time : 4 hours (earbuds)
no. Of charge : 3 times (case)
longest working time : 16 hours (w/ charging case)
battery type : li-polymer
battery capacity : ~50mah (earbuds) ~550mah (charging case)
charging time : ~1.5 hours (earbuds) ~1.5 hours (charging case)
size : 24.5mm x 15.6mm x 18mm (earbuds); 45mm x 44mm x 37mm (charging case)