The iCraig Tower Speaker System, CHT917BT was designed for use with a variety of handheld devices such as the iPhone iPad, iPod, Android phones and other similar devices via a 3.5 mm jack. These 41" Premium iPhone 4/iPad Power Wireless Tower Speakers have a built in Bluetooth system so you can wirelessly play your devices or use your phone through these speakers. This iPhone tower speaker system will play and charge your devices and features digital volume control, a digital FM radio and 20 station presets. This iCraig Tower Speaker system comes with a built in subwoofer and four high-powered speakers that deliver a total output power of 40W RMS. With these wireless tower speakers you can also enjoy features such as a ready light and blue source light, video out jack, remote control and AUX-in audio jack for televisions and other devices as well.