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 updates. Automatic production and independent use: No need to rely on mobile phones; can be used offline. Clear screen display allows easy viewing. One-click start to automatically generate new data, enabling efficient and continuous card swiping. High-quality chip: Intelligent sensing, sensitive and fast response for one-touch swipe. Long-lasting battery life: Designed with low-power technology and energy-saving principles. Uses 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 different display screens may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.