【Easy Installation】: Easy to set up within 1 minute. Plug in cables, click and download operation driver from oadlu*com, install it according to the “installation video” on the website. Use APP “Print Label” to connect your phone and the printer to make print easier. 【Automatic Suction of Paper】: The printer, which is a superb 4x6 label printer for shipping packages, can suck first paper back automatically wasting no material. 【High Speed & Resolution】: Print 4 x 6 barcode or USPS labels in a flash with our bluetooth shipping label printer at 7 inch per second, equal to 70 labels per minute with 203 dpi high resolution. 【Automatic Label Identification】: This sticker printer machine has an auto suction function and can automatically identify border lines, split lines, faded print, and barcodes with black print. 【Eco-Friendly Inkless Printer】: The wireless thermal label printer uses direct thermal technology and thermal paper, eliminating ink, ribbon, or toner for printing.