It holds a great charge. It is well-designed, sliding onto an existing shelf and adding the wine holding compartments below. The hooks were easy to install and are sturdy. Very practical product anyone can use it. Its just not very precise. The high frequencies are not harsh or tinny, and the low-end will never be muddy or buzzy. Out of 452 pages, there are a total of 20 pages that are not just the printout of Seinfeld routines from his notes. The black is so cute, I like that the sole is black too. Stylish & effective, + cheap to replace. I bought this to replace another brand single earbud.