Key benefits and features Simple screen power control Turn off the screen with a press on the home screen key. From the off state, hold the button for 3 seconds to turn on the device. In the startup state, hold the key for 3 seconds to display the shutdown confirmation screen. While in a specific function screen, use the key to quickly switch back to the main screen for faster navigation. USB charging port Convenient USB charging setup for easy recharging or power management. Display with digital charging indicator The display includes a digital charging indicator to show charging status at a glance. TF card jack TF card slot for expanding storage and easy data access. Practical use scenarios Onthego media playback Insert a TF card with media, use the digital charging display to monitor power, and charge via USB when needed. Use the main screen shortcut to quickly to the home view during playback. Field operation and quick navigation Power on from off with a 3second hold, perform tasks on the function screens, and press the key to swiftly to the main screen for a streamlined workflow. Portable data access and storage Use the TF card jack to access or transfer files, while the USB port provides charging or power supply as required, with the onscreen display showing charging status.