The Pyle Mini Blue Series stereo amplifier provides compact power up to 120 Watts (60 Watt x 2 @ 4 Ohm). Built-in Bluetooth technology allows you to instantly stream wireless audio from your favorite devices -- quickly and easily. This mini power amplifier also features USB flash and SD memory card readers with digital LCD display. Connect external devices using the RCA (L/R) or AUX (3.5mm) stereo input connector jacks -- and let the music play! It's compatible with virtually any audio or computerized device (works with iPhones, Androids, Smartphones, iPods, MP3 Players, iPads, Tablets, Computers, etc.). Additional features include USB charging port, built-in short circuit and power surge protection, master volume control, push-type speaker terminals and more. Enjoy compact and powerful wireless amplifier music streaming ability with the Pyle Mini Blue Series Bluetooth Amp (Model: PFA220BT). DETAILSFeatures: Compact and Powerful Mini Amplifier System Built-in Bluetooth for Wireless Audio Streaming MP3 Digital Audio File Playback SD Memory Card & USB Flash Drive Readers USB Port Doubles as Device Charge Port Digital LCD Display Panel with Touch Button Controls AUX (3.5mm) Input Connector Jack RCA Audio Inputs (L/R) Connect & Stream Audio from External Devices 1/4'' Microphone Input Jack Push-Type Speaker L/R Terminals Treble, Bass, Master Volume Adjustable Built-in Short, Overload and Overcurrent Protection Used for Home, Office & Mobile/Vehicle Applications Wireless Bluetooth Connectivity: Compatible with All of Today’s Latest Devices Smartphones, Tablets, Computers, Laptops, etc. Hassle-Free Connection & Easy Setup Bluetooth Version: 2.1 Bluetooth Network Name: ‘Pyle Speaker’ Wireless Range: Up to 50’+ ft. What’s in the Box: Compact Power Amplifier Remote Control AC Adaptor Cable 12V Mobile/Vehicle Cable Technical Specs: Power Output: 120 Watt (60 Watt x 2 @ 4Ohm) Class-T Digital Amp Circuit Design Frequency Response: 20Hz - 20kHz Rate Level Audio Input: 350mv/47k Ω Rate Level Mic Input: 8mv/600 Ω Tone Control (Bass/Treble): +/- 8dB Master Channel Separation: >45dB Signal to Noise Ratio: >80dB Signal to Noise Master Channel: >71dB T.H.D.: