Please remove the insulation sticker between the charging box and the earphone - Open the lid and you will see it - a transparent sticker with both ends rounded and connected in the middle with the words "REMOVEā€.

2. Fully charge the charging box by use the charge cable.

3. Fully charge both of the earbuds ( put them in the charging box until the red indicator turns to blue ).


Tips:

1. Using the included USB cable to charge, the charge box will fully charge within 2 hours. (4 indicator lights will on and no blink means fully charged)

2. The both of earbuds will fully charge within 1~2 hours.