**1.) Portable Bluetooth speaker works with most Bluetooth enabled devices
**2.) CSR Bluetooth 4.0 chipset.
**3.) Built-in 3000mAh lithium battery.
**4.) Built in microphone for hands-free phone calls
**5.) Total 20w output, filling large rooms and outdoor areas with rich, immersive sound.
**6.) Volume +/- control
**7.) Previous track/next track control
**8.) 3.5mm stereo input for wired connection.
**9.) TF card playback (optional).