Naztech N30-11894 Bluetooth Stereo Portable Boom Station for Apple iPads/iPhones/BlackBerry/HTC/Samsung - Speakers - Retail Packaging - Black Audiophile-grade Speakers, Stream Wirelessly or w. Auxiliary Jack Battery or AC Powered, Bluetooth Sync, Universal Stand, Up to 25 hrs Play Time, Hi-Fi Stereo Specifications: AC Charge Input: AC 100-240v, Speaker Output: 3 Watts X 2, Response Bandwidth: 50 - 20000 Hz, Frequency: 150Hz~20KHz, Bluetooth Version: 2.1+EDR, Audio Amplifier: Integrated, Working Range: Up to 33ft Compatible with: Apple iPad, Apple iPad 2, Apple The iPad, Apple iPhone, Apple iphone 3G, Apple iPhone 3Gs, Apple iPhone 4, Apple iPhone 4CDMA, Apple iPhone 4S Also Compatible with: BlackBerry, HTC, Motorola, Samsung, Nokia, Sharp, LG, HP