The GDI-USBM10 plays audio directly from the included thumb drive. Perfect for music on hold, product displays, background music etc.Plug and PlayThe included USB drive is preloaded with 6 hours of royalty-free music and standard thank you for holding messagesAuto PlayPower loss - no problem! The GDI-USBM10 automatically starts playing after power is restored.Custom messagingUse our Free included Grace Music Master Software Version 5 to create yo...