Usage Tips: 1. High-speed wireless transmission: Supports mobile app connection for one-stop management of data files. Store over 2000 bin files offline with full data synchronization and updates. 2. Automatic production and independent use: Does not require a mobile phone and can be used offline. Clear screen display for easy viewing. One-click start to automatically generate data for efficient and continuous card swiping. 3. High-quality chip: Intelligent sensing, sensitive and fast response with one-touch swipe functionality. 4. Long-lasting battery life: Utilizes low-power technology and energy-saving design. Equipped with a button battery that lasts up to 180 days under normal use. Note: Factory batches may vary. Minor differences in labeling do not affect product functionality. Color: White Material: Plastic Package Contents: 1 x Handheld Emulator Only the items listed above are included; other products are not included. Note: Lighting reflections and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.