Star wars bluetooth speaker stormtrooper 12 cm headphones speakers star wars officially licensed bluetooth speaker size spprox 12 x 11 x 13 cm speaker output 5w 4ohm bluetooth version bt30 operating range up to 10m in open space 35 aux in jack battery built in li ion rechargable 550mah mini usb charging point battery charging time approx 3 hours music playback time approx 5 hours from full charge