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: Does not require a mobile phone and can be used offline. Clear screen display for easy viewing. One-click start to automatically generate new data, enabling efficient and continuous card swiping. High-quality chip: Intelligent sensing for fast and responsive one-touch swiping. Long-lasting battery life: Designed with low-power technology and energy-saving principles. Button battery supports up to 180 days of 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 Please note: Other items not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.