Battery seems to last at least 5-6 hours of play time per charge. Once you know that, you should angle the two screws toward each other so that they are securely lodged into the stud. Adesso letà avanza e riflessi non sono più quelli di una volta, ogni giorno dalla bile che mi sale giocando con gli sparatutto vorrei distruggere tastiera e monitor e buttare il pc dalla finestra. p. I will not purchase these again and cant recommend. Added photos as proof. The case is a little bit less stylish than other earbud cases, and there is not a spot to attach them to a keychain, but other than that these are pretty great. Overall its a great product and worth the money. It works, though I get an occasional buzzing noise which may be the phone outputting some subtle audio as it happens when the phone isnt supposed to playing audio - it hasnt happened when audio is playing. Seemed like it was all plastic.