DailySaw™ 6.5 Inch Hoverboard with Bluetooth + LED Color:Blue There is usually a set

There is usually a set of numbers that can be found on the motherboard near the outside

In this case

Looking for something cheaper

Order the 8 Inch hoverboard box if your hoverboard is the "Lamborghini" style and looks like this

DailySaw™ 6.5 Inch Hoverboard with Bluetooth + LED Color:Blue There is usually a setBest 6. 5 Inch Hoverboard The DailySaw 6. 5 inch hoverboard is the go to hoverboard that everybody recognizes and uses the same brushless motor technology as Tesla does in their electric cars. Bluetooth (for Music) Blast your favorite music straight from the Bluetooth sound system that's integrated right into this 6. 5" hoverboard! With a speaker mounted on the bottom, you'll be able to take your favorite music with you where ever you go. RGB LED