?Compatible with normal MP3/MP4 players: iPod 4GB, 6GB, 10GB, 20GB, 30GB, 60GB and Samsung HDD MP3 players ?Compatible with laptops, PCs and other A/V devices, connected by line-in cable ?Power: 100V-230V, 50Hz-60Hz, DC 5V/2A ?Speaker output: 5W x 2 (2.0-ch) ?Frequency response: 100Hz-18kHz ?Input sensitivity: 500mV-1.5V ?Input impedance: >=10k ohms ?Speakers dimensions (H x W x D): 180 x 85 x 60mm, 7.3 x 3.3 x 2.4 inches ?Accessories: line-in cable (dia. 3.5mm, power adapter) ?Gross weight: 1kg/2.2LBS