Wireless Music Streaming- Pair your smartphone, tablet, Mac, or PC with our Bluetooth bookshelf speakers for hassle-free wireless music streaming. | Immerse Yourself in Studio-Quality Sound- Enjoy natural sound reproduction from 1.25 inch silk dome tweeter unit and 3 inch bass unit. | Connect to Multiple Devices- With RCA INPUT, you can easily connect to any device that has a 3.5mm headphone output or dual RCA output and Optical ensures a lossless connection to TV. | Convenient Remote Control- Adjust volume, bass, and treble at your fingertips with the included remote control. | Hassle-Free Warranty- Bestisan offers one-year warranty and life time technical support. Any questions or suggestions, pls freely email us for help.