The Pyle Mini Blue Series Stereo Power Amplifier with Bluetooth provides up to 120W x 2 at 4 Ohms. Built-in Bluetooth technology allows you to instantly stream wireless audio from your favorite devices quickly and easily. This power amplifier also features USB flash and SD memory card readers with digital LCD display. It connects external devices using the RCA (L/R) or AUX (3.5mm) stereo input connector jacks, let the music play. It's compatible with virtually any audio or computerized device (works with iPhones androids, Smartphones, iPods, MP3 Players, iPads, Tablets, etc.). Additional features include USB charging port, built-in short circuit and power surge protection, headphone jack, rotary master volume control, push-type speaker terminals and more.