The sound effect is more clear and natural, full of beautiful sounds, loud voice, drive the mood, as if you can hear the inner germinating, embrace the good mood every day! Feature ?? ? Built-in Blue Cool LED Light ? With Sharp Eye ? Shock Heavy Bass ? Mini does not occupy a space ? USB Power Supply ? Drive by wire Specification ?? ? Material: ABS ? Play Format: MP3 ? Channel: 2.0 stereo ? Speaker: 2 ? Power: 3W ? Input Voltage: 5V ? Interface Type: USB ? Weight: 430g ? Dimension: 70x80x105mm*2 ? Headphone connectivity: 3.5mm ? Operation Mode: connect with phone, computer, or player What in the Box ?? ? 2 Speaker with control wire ? 1 set Instruction