Battery Type: AA Battery. Brand: Technika. Features of Product: Portable nice design. 1 piece full range 2.25 driver. Powered by 3 x AA batteries. Output power: 1.5 W. Frequency Range: 20. Headphone Jack: No. Integrated Amplifier: Yes. Product Depth: 9.1 cm. Product Height: 4.6 cm. Product Weight: 0.101. Product Weight Units: kg. Product Width: 9.1 cm. Remote Control: No. Satellite Wattage: 1.5 W. Total Sound Output: 1.5 W. Treble or Bass Controls: No. Volume Control: No.