1. One earbud is designated as the primary earbud, which usually consumes more power. A difference of up to 20% in battery usage between the two earbuds is normal.

2. Battery drain can also be affected by factors such as volume level, type of audio played, interference in the environment, and features open in the app. These factors are for reference only, and your actual experience may vary.

If you encounter any other issues or your issue has not been resolved, please contact us for further assistance.