Bullet_point: ['Auto Play Automatically Starts Playing After Power Is Restored. Use the included cable to plug the Music on Hold player into your phone system’s audio input jacked (usual marked “music on hold”)insert the USB drive and you’re up and running', 'Auto play after power loss. The GDI-USBM10 automatically starts playing after power is restored', 'Built-in speaker - Monitor the audio on the device directly via the built-in speaker', 'Connectivity- RCA mono audio output with 8 / 600 ohm switch for optimal sound to your phone system', 'Grace Digital Audio GDI-USBM10 USB Business Music Player', 'Includes - Free Grace Music master software for PC (Windows 7, Vista, XP), 512 MG USB thumb drive preloaded with 6 hours of royalty-free music, rca cables, mini connector, power adapter and manual', 'Industrial strength- High quality metal enclosure and electronics for the demanding business environment. Place on a shelf or easily mount to any surface', 'Plug and play -The included USB drive is preloaded with 6 hours of royalty - free music and standard thank you for holding messages', 'included power adapter - 110 / 220 VAC