The JBL Creature Self-Powered Satellite and Subwoofer System includes 3 pieces: a 2.1 channel system configuration in an oval shape, designed for use with JBL brand speakers. The system is compatible with universal computer and gaming setups, featuring a sleek white color and a plastic construction. With a battery capacity of 2000 mAh, this wired unit from JBL is lightweight at 2.5 lbs and is perfect for enhancing sound quality in a computer or gaming setup. It is ideal for users looking to enhance their audio experience with a reliable and high-quality speaker system.