Haier IPD-157B, 2.0 channels, 10 W, iPad, iPhone, iPod, Black, AC, 100 - 240 V Haier IPD-157B. Audio output channels: 2.0 channels, RMS rated power: 10 W. Apple docking compatibility: iPad, iPhone, iPod. Product color: Black. Power source type: AC, AC input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz. Weight: 3.59 lbs (1.63 kg), Package weight: 4.21 lbs (1.91 kg)