CP0206X Features This cute cartoon mushroom couple speaker offers you a clear sound and is perfect for everyday use The 3.5 mm audio port and USB interface allows you to connect the speaker to external computers， mobile phones， MP3 players and other audio players Equipped with power switch and volume control Convenient and practical to use General Specs Type Couple Speaker Pattern Cartoon mushroom Material Plastic Rated Voltage  DC 5V Power  USB or 3 x AA batteries Power 2 x 3W Impedance 2 x 4 Ω Input Interface 3.5 mm audio， USB interface LED  LED power indicator