This Wireless Audio Interaction Amplifying Speaker can be deemed as a perfect combination of classic and modern performance.The unique design makes tone performance perfect. Simply place a mobile device such as an iPhone on top of the speaker and the sound from the internal speaker is magically amplified. This compact travel speaker system is ideal for use at the office, home, or anywhere you go. You can enjoy sweet stereo sound produced from it. Features: Compatible with all iPhones Works with all iPods Magically amplifies the sound from iPhone etc. No confirguration as paring is needed Automatically turns on and off Supported by most IOS devices and Android phone Powerful output of 2W x 2RMS High efficiency-15 hours play time for AA batteries X 3 Battery low indication Includes Audio in 3.5mm and DC in (Micro. USB) sockets Average volume levels USB or 3 x AA batteries powered (USB cable and batteries not included) Specifications: Wireless Tech: Interaction Output Power: 2W * 2 Batteries: AA * 3 DC in: Micro USB (5V) Audio in: 3.5mm Stereo Size :123mm x 70mmx40mm Gross Weight:195g Net Weight : 155g Package Contents Portable Wireless Audio Interaction Amplifying Speaker for iPhone iPod Samsung Smart Phones MP3 - Black Accessory only, iPhone not included!