The De Rosa Kids 3 watt travel amplifier is the smallest of the notable collection from the brand. It features the two basic controls: Volume and tone. This sweet little amp comes at an amazing price. Top notch quality makes practice sessions really fun! It is perfect for beginners, students, as well as teachers who want to play for their students when they visit without having to lug around a big heavy amp. Powered by a 9V battery so it can be used practically anywhere! It has a long strap so it can be worn around the neck along with a belt clip so it can be strapped to your waist. This is truly the perfect accessory for learning and teaching musicians!