Your case carries enough power for you to enjoy your wireless earbuds up to 4 times, for a total time of up to 15 hours. To check how much power it still carries:
1. Open the top of the case.
2. Press the battery button. The LED display will light according to how much battery remains:
a. If it lights up completely, 75% or more remains
b. If it lights up 3/4 of the way, between 50-74% remains.
c. If it lights up 1/2 of the way, between 25-49% remains.
d. If it lights up 1/4 of the way, less than 24% remains.
3. Recharge your case whenever you wish.