inputs.text: makes singing shower fun - excellent volume device wont deliver high end bass 51 surround sound adequate several times better phone speakers singing along favorite tunes showerproduct waterproof advertised doesnt seem stutter static soundmicrophone quality similar see stock headsets comes smart phone mileage may vary depending youre talking someone shower notsuction cup stays secure water appliedvery easy setup sync phone tablet etccharging time okay 23 hour charge around 6 7 hours batteryonly negative id say not standard micro usb charging port instead custom dc5v usb cable included would like devices streamline without worry multiple charging cablesi would recommend product friends family