To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got the Velleman svm06. It says it is rated at 3-7VDC ...

While the pinout is very similar to the Arduino Nano’s ... Primitive audio is also provided in the form of a piezo buzzer that can be muted with a slide switch. It can be programmed to play ...