General Sales Package2.1 Speakers Model Name W330XType Laptop/Desktop Speaker Bluetooth Yes Memory Card Slot Yes Configuration 2.1 Power Source Battery & AC Adapter Power Output14x2 W (Satellite) and 28 W (Subwoofer) Frequency Response 35 - 100 Hz (Subwoofer) & 250 - 20000 Hz (Satellite) Impedance4 Ohms (Subwoofer) & 6 Ohms (Satellite) Color Black Wired/Wireless Wireless Built-in Fm Radio Yes Product Details Configuration 2.1 Channel Memory Card Supported SD Compatible DevicesMP3, PC, TV, Mobiles, Tablets Impedance 4 Ohms (Subwoofer) & 6 Ohms (Satellite) Bluetooth with A2DP Bluetooth Range 15 m Other Details Controls Volume, Play, Pause Power Input 220 V-240V,50/60 Hz Other Features Bluetooth Support, 2.5 inch Full Range Driver for Satellite Speakers, 6.5 inch Bass Driver for Subwoofer, USB and SD Card Readers, MP3 / WMA Dual Formats Decoding, LED Power Indicator, 28 W Subwoofer Output, Compatible with iPhone 4S, iPod Touch 4G, iPad, Samsung Galaxy S II, HTC Desire and Other Bluetooth Devices