Elevate your audio experience with this portable speaker system from the renowned Harman Kardon brand. The sleek black color and Onyx Studio 4 model give it a modern look while the Bluetooth and WiFi features allow for easy connectivity. This speaker system is perfect for those who enjoy listening to music on the go, without being tethered to cords. With four power supply options, you'll never have to worry about running out of battery. Ideal for audiophiles and casual listeners alike, this Harman Kardon Onyx Studio 4 is a must-have for any music lover.