6 Inputs 4 musical instrument inputs and 2 auxiliary inputs, which can fully satisfy a small band. It can connect 2 instruments (guitar, piano, keyboard, etc.), 2 microphones, two mobile phones or computers at the same time. Two independent EQ effects adjustment , Boost or attenuate the low-frequency, mid-frequency and high-frequency DB values. 100 Watt 8- inch woofer and 3-inch tweeter deliver clear, lifelike ,dynamic, powerful sound; Bluetooth Provide with options of wireless connection, phone input, CD/MP3 input, and USB plugin, it is able to fit in the different connection types, it is convenient and useful with its master control, headphone input and DI output. Rechargeable It can run up to 6-8 hours depends on the volume you use after 5 hours charge. And it can work with a connection directly to the electricity.