Promate Irock.4 Portable Mini Extendable Speaker for iPad iPad 2 iPhone and iPod

Promate Irock.4 Portable Mini Extendable Speaker for iPad, iPad 2, iPhone and iPod, MP3/MP4 players and other audio devices with 3.5mm audio jack Retail Box 1 Year Warranty   Portable Mini Extendable Speaker for iPad, iPad 2, iPhone, iPod and more Product OverviewThe Promate iRock.4 is a pocket-sized mini speaker that delivers an impressive 3W of power. This speaker is specifically designed for the iPad, iPad 2, iPhone and iPod, but it can also be used in conjunction with any audio device that houses a 3.5mm audio jack port. The mini speaker of the iRock.4 provides outstanding sound clarity. This can be further enhanced by pressing lightly on the top of the unit and extending the speaker in order to increase bass tones in your music. The powerful mini speaker is powered by a rechargeable lithium-ion battery that offers hours of playback time. Recharging is simple and quick; attach the supplied USB cable to the iRock.4 and connect it to your laptop. Features Ideal for watching movies or listening to music on netbooks and laptops Compatible with the iPad, iPad 2, iPhone, iPod, netbooks, laptops, MP3/MP4 players and other audio devices thanks to 3.5mm audio jack Enhanced built-in amplifier and extendable speaker design for fantastic sound quality Custom-tuned vacuum bass for low frequency response Light-weight and portable; fits in your pocket Mini USB port for convenient recharging of powerful lithium-ion battery Specifications Power output: 3W Impedance: 4 Ohm Driver Unit: 40mm Maximum playing time: 3 hours (approx.) Charging time: 2 hours Frequency Response: 80Hz-20K Hz Signal to noise ratio: 80 dB Battery type: Li-ion polymer 250mAh Audio jack: 3.5mm Compatibility iPad, iPad 2, iPhone, iPod, netbooks, laptops, MP3/MP4 players and other audio devices thanks to 3.5mm audio jack Packing Contents iRock.4 + USB cable + user manual + crystal gift box +PE polybag