Features: 1.Wide Application: A variety of content can be printed, such as texts of various countries, pictures, LOGO, QR codes, etc. And widely used in various industries, such as supermarkets, shopping malls, restaurants and other cashier receipts and delivery receipts. 2.Small and Portable: The wireless receipt printer is compact in size and light in weight, you can carry a bag in your pocket. Free of ink, colored tape, and ribbon, it is more convenient and worry?free to use. 3.Built?in Imported Chips: The high grade bluetooth receipt printer is easy docking of computers, for IOS and for Android, strong Bluetooth connection signal to provide fast and clear printing. 4.Easy to Load Paper: The mobile thermal receipt printer is designed with humanized paper slot, easy to load paper, just put the printing side down directly, more simpler and faster to operate. 5.Secondary Development Function: Provide secondary development SDK, source code, instruction set, demo and related technical support, as well as for Android and for IOS development engineering technology cooperation and docking. 6.Large Capacity Battery: The pocket thermal printer comes with built?in 1500MAH rechargeable polymer lithium battery, long term standby, can be used for more than 48 hours on a single charge. Specification: Item Type: Bluetooth Receipt Printer Material: ABS Application: For supermarkets, shopping malls, restaurants and other cashier receipts and delivery receipts. Size: Approx. 102x74x45mm/4.0x2.9x1.8in Plug Type: AC100-240V Printing Method: Line Thermal Supported Text and Graphics: Chinese, English, numbers, symbols, charts, curves, icons, pre-stored barcodes Printing Speed: 50-80mm/s Printing Method: Bluetooth connection, USB interface Points Per Line: 384 points Paper Width: Approx. 57mm+0.5mm/2.2in+0.02in Printing Width: Approx. 48mm/1.9in Self Check: No Paper/Open Cover Cutting Paper: Hand Tear Interface: USB, Bluetooth Power Supply Mode: Built-in 1500MAH rechargeable polymer lithium battery Power Adapter: 5V/1A Available Time for One Charge: 100-200M at 12.5% printing density, 80-100M at 25% printing density (this parameter is for reference only) PackageList: 1 x Bluetooth Receipt Printer (with Printing Paper) 1 x Plug 1 x Charging Cable 1 x Manual Note: 1. Do not place the product in an environment that is too humid and high temperature! 2. Please supply power according to the operating voltage, using other voltages may cause fire and product damage!