There is static when I try to use transparency mode or noise cancellation mode. In normal mode, I don’t hear static. The charging case works and charges as intended. Both earbuds holds a charge. The ear tips on the earbuds are a foam third-party version but these do come with unused large and small ear tips. The charging case has a few marks and wear, and some discoloration from being in a case. Please see the pictures for the condition.