Hoverboard Repair - Parts Repair Kit with Bluetooth Speaker for 6.5", 8", and 10" Hoverboards! 100% Satisfaction Guaranteed!! ScooterRepair is an American Company located here in the beautiful USA! The most compatible & universal Bluetooth kit w/ 63V capacitors can be used on all Hoverboard sizes: 6.5", 8", and 10". Parts are tested at our Texas facility prior to shipment to ensure proper functionality for our customers. PLEASE READ INSTALLATION SHEET: Many customers are short-circuiting our motherboards because they are not reading the instructions prior to installation.