Computer Speakers

1.) Portable Bluetooth speaker works with most Bluetooth enabled devices
2.) Built in microphone for hands-free phone calls
3.) Volume +/- control
4.) Previous track/next track control
5.) Built-in 400mAh lithium battery
6.) audio input, and MicroUSB multiplexed interface
7.) USB port, and audio input interface multiplex
8.) the whole water (water splash IPX4)
9.) Size: 93 X 256 X 80 mm