... 5V Small size Features and Desciptions:Stand speaker for iPad and tablet PC, Also works for mobile phones. Small size, easy to carry, ... connection - Good speaker, and also a foldaway stand for iPad & tablet PC etc.Work for any digital audio players such as Mobile Phones, ... and use, model and fashion.- Speaker with good sound effect- Power output: 2W - Speaker Size: 40Φmm- Sensitivity:85dB- Frequency ...