A top-performing wireless integrated desktop stereo Bluetooth speaker that has high-quality sound and won't take up too much space. With three top-mounted knobs to adjust treble, bass, and volume/input conveniently. Bass Dial Treble Dial Volume Control/Input Selector: Input Mode Switch: Press Disconnect Bluetooth: Press and hold (Bluetooth already connected) Power on: Press/press and hold (when powered off via remote control, and power switch already turned on) Power Off: Press and hold Specifications Bluetooth Version: V5.0 RMS: R/L(treble): 15W+15W ; R/L(mid-range and bass): 20W+20W Driver Unit: Tweeter: Φ19mm*2; Mid-bass driver: 4 inch*2 Audio Input: Bluetooth, RCA, AUX Frequency Response: 54Hz-20KHz Audio Output: Line out Multiple Inputs Easily connect directly to your favorite audio source through RCA/AUX or Bluetooth 5.0. Line-out port for an extra subwoofer or active speakers. Easy Set-up Place it wherever you want, such as your living room, study room, dining room, or bedroom, just connect to the power supply, and it's ready to use. Impressive Power Handling Total 70 watts (RMS) of distortion-free power output will have you enjoying the best audio possible. Excellent Sound Quality A naturally fine-tuned sound produced from two 4inch bass and two 19mm silk dome tweeter. Remote Control It is also provided with an easy-to-use remote control, so you can quickly adjust volume or switch to the mode you want. Input Indicator Audio source indicator clearly shows input mode. Green light steady lit: AUX/Line in; Blue light flashing rapidly: Bluetooth unconnected; Blue light steady lit: Bluetooth already connected.