Other Power Features
USB powered Universal Micro USB 3.7-5V Supply, Standard 3.5mm stereo audio interfaceStandard 3.5mm interface, output stereo sound source, plug in headphones, connect amplifiers and other devices, Precise cuts and interfaces ensure perfect applicability, suitable for installation positions, and easy to install., It can insert TF card, can read U disk and play TF card.Supports Bluetooth 4.1, automatic link back function, After the power is turned on, the blue indicator lights up and enters the Bluetooth mode, Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.