Caston Powerful Bluetooth X-BASS Speaker

They boast a smooth bass sound contained within a full-featured cabinet that can be connected to your phone, tablet, or any stereo source. You can also connect a flash drive or Micro SD (TF) card and listen to music directly from the unit. It also has an FM radio that can record and play your favorite radio stations. Once fully charged, its built-in battery allows you to listen to music on the go for several hours. It can be charged using a 5v USB charger, as well as a laptop or desktop USB port. You can connect it to your Bluetooth device (phone, tablet, laptop, mp3 player/ipod, etc.).Even better, you can load music onto your flash disk or microSD card and then plug them in to listen to cool vibes or instructional audio. The speaker includes an AUX cable for connecting to an external audio source such as a computer, TV, or DVD player.