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