Compatible tips:1.USB NO support iOS( iPad,iPhone). 2.USB works well with Square Register POS,Ethernet works well with Square Stand POS. 3.USB not support Square Stand POS. 4.Not compatible with Ubereats/Grubhub/Doordash/Lightspeed/ Postmates/Clover/Shopify. 5.NOT Bluetooth and WIFI How to use cash drawer:If you are using ordinary cash drawer for square, you need to use the computer to connect the printer and download the driver. STEPS: ① USB connect your computer and printer ② Download and install the appropriate system driver ③ After installing the driver, use the Printer Test V5.2C tool ④ Click on “Advanced”, find “Cutter with Cash Drawer” and select “ON”. Wall-mounted design: At the bottom of the Android thermal printer, there are two well-designed hanging holes, making it easy to be wall-mounted. It saves space, keeps the working environment tidy and orderly, and facilitates daily cleaning and maintenance Printing performance: This 80mm receipt printer is equipped with an automatic cutter, printing speed up to 230mm/s, adoption of high-resolution printing technology, clear and delicate handwriting, satisfy your need for high quality printing Business Assistant: The ZY908 POS printer is works well Windows/ Linux /Chrome book/MAC systems, is ideal for a wide range of industries such as small businesses, retailers, supermarket 【Product Description】 What's in the box——①Printer ②U-Disk ③Power Cord ④Paper Roll ⑤Roller ⑥User Manual ⑦USB Cable