The Harmon Kardon Onyx Studio is a portable speaker system with a sleek black design, featuring 3-inch drivers and Bluetooth connectivity. This unit delivers up to 60W of RMS power and has a 4 Ohms impedance, perfect for enhancing your sound and vision experience. Made of plastic, it is compatible with universal brands and models and has a 2600 mAh battery capacity for on-the-go use. With a 3.5mm jack audio input, this Harman Kardon speaker is a stylish and powerful choice for your audio needs.