Cables play an indispensable role in keeping technology running smoothly - and without fully-functioning cables it'll be unreliable and slow. BT Shop has a great range of external cables. High-quality, high-performance cables can make a dramatic difference to picture quality, sound quality, speed and more. Here at BT Shop, we've got everything from USB cables to external telephone cables - with products from leading manufacturers such as C2G and StarTech. Browse the full BT Shop external cables range to find out more.