6 inch Livescribe SmartPen Echo 2GB, 4GB, 8GB USB A-B Micro Cable. Charger/Data/Computer/Sync cord USB Cable for: 6 inch Livescribe SmartPen Echo 2GB, 4GB, 8GB Length: .5 Feet (.15 Meters) - Color: Black Data Transfer Charger Cable For PC or Mac Computer ReadyPlug Lifetime Manufacturer Warranty