Feature:1. SUPERIOR PERFORMANCE: For Android 12 operating system touch screen, 40 mm diameter paper roll capacity, supports 3G 4G 5G, WiFi network, Bluetooth, compatible with 98 percent of for Android apps, supports Nano SIM Memory Card, with NFC card recognition and 1080P HD imaging.2. USB OTG, WIDE SCENARIO: Support USB OTG.Support developer debugging and use. Widely used in food trucks, cafes, beverages and food, pizzerias, bakeries, restaurants, grocery stores, fashion and boutiques, convenience stores, jewelry stores, car washes.3. SOFTWARE SUPPORT: Handheld PDA printer comes with for Google Play, support for Shopify, for Google Chrome, for PDF, for Loyverse, for iREAP, for Kyte and other software, support for Google Play Software download, no need for secondary development, a POS can accept orders and print receipts, 90mm/s to improve work efficiency by 20 percent.4. LONG TIME LASTING, APPLICATION: The POS receipt printer has a built in 2500mAh lithium battery that lasts all day even under the most demanding conditions. Work with for Android apps for bill printing, mobile payment, ordering, takeout, queue control, marketing management, and make an all in one POS.5. 5.5 INCH TOUCH SCREEN, CAMERA SCANNING: The terminal printer POS is portable, also with 5.5 inch touch screen, also can scan 1D 2D.QR barcode by camera. (The camera mainly decodes 2D codes. And can decode 1D code is relatively weak) It is the combination of Bluetooth thermal printer and cell phone.Specification:Item Type: POS PDA Receipt PrinterMaterial: Plastic, ElectronicsPrinting Paper Size: Width: Approx. 58mm/2.28in, Cylinder Diameter: Approx. 40mm/1.57inOS: for Android 12.0CPU: Quad Core 2.0GHzMemory: 2GB RAM 16GB ROMDisplay: 5.5 InchCard Slot Type: SIM Card Slotx2; SAM Card Slotx1; Memory Card Slotx1 (Card Not Included)Battery Type: Built in 2500mAh Lithium Battery (included)Market (PDA).Package List:1 x Mobile POS Machine1 Roll x Thermal Paper 1 x Data Cable1 x User ManualNote:Manual measurement please allow some error.