The earphone has two 60mAh batteries. This battery gives you up to 3.5 hours of music playback at medium volume.
It takes between 1 and 2 hours to fully charge your SPC Stork earphones' batteries. You can use a 5V/0.5-1.0A power supply, or connect it to a USB port on a PC.
The LED indicator will turn on a constant red light while charging the earphone. It will switch to constant blue light to indicate that charging is complete.