Brand: WINNER
FOLD-UP AMPLIFIED ALUMINUM SPEAKER Color: Pink/yellow/black/purple/silver power supply: battery (AAA 1.5v*4), DC 5v( usb cable) for pc) or ac power adaptor cord(output 6v, 300- 800mA) speaker unit: 50mm*2w*2 (4 Ohms) Singnal cable: 22cm with 3.5mm ST Gold-Plated Plug Output power: 0.9w*2(1KHz 10% THD) Frequency Response: 150Hz- 18KHz Dimension: 207(W)*53(D)*62(H)mm--(open dim) 112(W)*62(D)*62(H)mm-(Foldable dim)