X3 Pro: Non-working/defective product July 29, 2020 14:19 Updated If you received a defective product or it stopped working, please check Non-working/defective product section. Related articles X3 Pro: One earbud has no sound X3 Pro: One earbud doesn't charge or turn on X3 Pro: Other issue X3 Pro: Both earbuds cannot charge How to claim your warranty