Features New version The new version is half the size and weight of traditional label maker. Free gift Buy a B21 machine now can get a free roll of 50 * 30mm label paper (inside the machine) Eco-friendly and save money With thermal printing, you simply replace the label paper after used up, dont need to buy ink, toner, or carbon tape. Built in battery 1200mAh rechargeable lithium batteryOne charge of battery can support 4 hours of working, no need to buy batteries. Bluetooth connection Wireless design, supports long distance printing with bluetooth Design by yourself in free app Connecting NIIMBOT APP via Bluetooth, creating labels in the APP. Functions like automatic templates matching, image recognition, batch printing are offered, also includes more than 20 kinds of fonts and thousands of image materials. Exquisite Appearance Details Vintage outlook, the lever for easy open USB dust plug, anti-slipt apeatthe bottom. Mini and lightweight, convenient for you to carry. Packing List(Standard) *LabelMaker *User Manua *Type-C Cable *Gift: 1 Roll Paper 50*30mm-230pcs (Inside the machine) Installation Steps Our service agreement is very safe. Please rest assured to download. Please follow these installation steps,Once you start using it, you will like it very much. 1.Download the App "NIIMBOT" from Apple Store/Google Play. 2.Open the App and choose the D21 Series Printer. 3.Connect D21 printer in NIIMBOT Appnot in system settings. 4.When loading the paper, please make sure the sticker side facing down. 5.When printing, please ensure that the printed content is within the red print box, otherwise the complete content will not be printed. Specification Type: Pocket Printer Dot Matrix Printer Type: Universal ticket printer Use: Label Maker Printing Technology: Thermal Consumable Type: Thermal Paper Paper Feed Mode: Roll Feed Interface Type: Bluetooth Double-sided Printing: No Supports Network Printing: No Color Print Speed: No Black Print Speed: 30-60mm/s Print Speed: 40ppm Max. Resolution: 203dpi Print Width: 20-50 mm Max Paper Size: A0 Material: ABS Product size: 130*94*61mm Product net weight: 299g Color: Red, Green, Black Charging interface: Type-c Charging time: 3-4 hours Battery-capacity: 1200mAh Internal Memory: None Voltage: 100-240V Certification: CE, FCC, RoHS, KC, WEEE Applicable industries: Clothing, jewelry, supermarket, fresh food, medicine, food, cables, etc.;