3 in speaker, power bank, and phone stand. Simply plug device into the audio jack for great sound and at the same time plug device into the USB port to charge it. Serves as a stand for your device while plugged in. Compatible with most cell phones, tablets, and other USB devices. White LED light. 2600mAh battery. 5 1/4" W x 1 1/4" H x 1 1/4" D.