GOgroove BlueSYNC SLK Wireless Bluetooth Powered Stereo Speaker System (Pair) with Bass Enhanced Home Audio Works with Samsung Galaxy S4 / Moto X / LG Nexus 4 & More! Bluetooth 2.1 A2DP allows you to stream wireless audio with outstanding clarity from over 30 feet away! Speakers are powered by AC wall outlet; Dimensions - 10 x 4 x 5.5 inches (each speaker) Each speaker features a 3-inch bass enhanced driver , 2-inch mid-range driver AND a 1-inch micro treble driver for 28 Watt Total Peak Power! Onboard volume & bass level control knobs and Wall Mounting Brackets let you create the ideal listening experience! GOgroove Audio is a proud supporter of the Fender Music Foundation, a national nonprofit dedicated to music education programs. Through May, a portion of proceeds on partnered products like the BlueSYNC SLK, SonaVERSE EQ, and AudiOHM earbuds go towards their cause! Pairs quickly and easily with your favorite bluetooth enabled smartphone , tablet , laptop , desktop computer & more! Also features 3.5mm AUX-In for wired audio devices like your TV! Quality Guarantee - backed by the GOgroove Audio 3-Year Manufacturer's Warranty! **Includes SD Memory Card Reader**