Philips DS8550/93, 2.0 channels, 30 W, 7.62 cm, A2DP, AVRCP, 10 m, iPad, iPhone, iPhone (1 gen), iPhone 3G, iPhone 3GS, iPhone 4, iPod, iPod Classic 1, iPod Classic... Philips DS8550/93. Audio output channels: 2.0 channels, RMS rated power: 30 W, Driver diameter: 7.62 cm. Bluetooth profiles: A2DP, AVRCP, Bluetooth range: 10 m. Apple docking compatibility: iPad, iPhone, iPhone (1 gen), iPhone 3G, iPhone 3GS, iPhone 4, iPod, iPod Classic 1, iPod Classic.... Product colour: Black, Silver, Magnet type: Neodymium. Power source type: AC, Battery life (max): 5 h, AC input voltage: 100 - 240 V