Used but still sounds great and loud. Selling because I bought a newer speaker and have no need for this one. Depending on the volume a full charge will get you around 4 hours of playtime, and about 1 hour of charging will get you back to full from empty. Yes, it is fully waterproof, I regularly used it as a shower speaker and never had any issues with it. It has lights on the white edges, and a microphone so you can take calls. The hardened glue is from some adhesive velcro that I was using to mount this a while back, but since it is only on the back and bottom it does not affect the sound in any way. Micro-USB charging port is slightly cracked so a charger will sit a bit loose, but it will still charge just fine as long is your not jostling it around.