Silver DOCKING STATION Charger, Speaker & Stand With Dual Charger Adapter for iPad 2 3 New 4 mini and iPhone 4G 4S 5 Galaxy S3 Note2 i9300 N7100 With Free Gift - NIKINGSTORE Input: DC 5.2V 2.4A Output: 3W*2 (RMS) Degree of distortion: &lt;1% Signal ratio: &gt;80dB