JOYO JA-01 Mini Music Amplifier $ 12.89 JOYO JA-01 Output power: 2W MP3 input plug: 3.5mm Headphone output plug: 3.5mm Power indicator Size: 60 (width)150 (height)43 (thickness) mm Power: 9 volts (1 capsule for DC IN or 6F22 battery)
