1. Earphone: Put the earbuds into the case, the earbuds will be charged directly. 2. Charging case: Connect the case with your power by USB cable to charge. The earphones boast up to 3 hours of playtime and can be fully charged in about an hour using the included charging case. 1. How to connect: a. For the first time using, take out the earphones and they will turn on automatically. Charge your new earbuds for 2-3 hours regardless of initial battery level. This ensures the battery management system properly calibrates capacity. Skip the old advice about 24-hour first charges - that's outdated for lithium batteries. Sometimes you need to charge without the original equipment. Fortunately, a good understanding of the correct methods of charging your earbuds simplifies the process. Read on as we explain how to charge your earbuds using a standard charging case, wireless charging pad, USB cable, and reverse charging. Let’s dive in! Please retain all packaging after you have checked and counted all the parts and the contents against the list. Please fully charge the earphone and charging case before first using. Put the earphone into charging case, they will be charged automatically. When the charging case battery is low, connect the type C cable to charge, the led light will be red and flash quickly. On average, it takes around 1-2 hours to fully charge earbuds using a USB charger or charging case. Some earbuds with faster charging capabilities can be fully charged in as little as 30 minutes.