Features: 1.It applies mobile products to supporting the use, and suitable outdoor work environments 2.Small in size,light weight,reliable permance,simple to connect, easy to use 3.Low operating costs(No Ribbons or ink cartridges) 4.High-speed , long life-span and high quality . Suitable all types of commercial retail POS systems 5.Multi-Function: Practical thermals printer that can help to print errors, work plans, shopping lists, photos, memo, receipt, labels, tag, etc. One-click printing to improve work and study efficiency. 6.Wireless connection: Support connect with app (walkprint) by BT, compatible with Android and iOS systems. With quick recognition function, you can get text content by taking pictures. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: c17: Printing parameters: 200DPI Printing method: thermals inkless black and white printing Battery capacity: 800 mAhs 7.4V lithiums battery 2A charging Printing paper: 57x30mm need to purchase original printing paper easy replacement Connection method: BT wireless inkless black and white printing Factory standard configuration: host + charging + manual + certificate + printing 1 roll Product size: 808035MM about 250g C9: Printing parameters: 200DPI Printing method: thermals inkless black and white Battery capacity: 800 mAhs 7.4V lithiums battery 2A charging Printing paper: 57x30mm need to purchase printing paper easy replacement Connection method: BT wireless inkless black and white printing Factory standard configuration: host + charging cable + manual + certificate + 1 roll of printing paper Product size: 110X80x30MM Single weight: about 256g C13: Printing parameters: 200DPI Printing method: thermals inkless black and white printing Battery capacity: 800 mAhs 7.4V lithiums battery 2A charging Printing paper: 57x30mm, E is needed easy replacement Connection method: BT wireless inkless black and white printing Factory standard configuration: host + charging cable + manual + certificate + printing 1 roll Product size: 8080x35M about 250g C15: Printing parameters: 200DPI Printing method: thermals inkless black and white printing Battery capacity: 800 mAhs 7.4V lithiums battery 2A charging Printing paper: 57x30mm need to purchase original printing paper Connection method: BT wireless inkless black and white printing Factory standard configuration: host + charging cable + manual + certificate + 1 roll of printing paper Product size: 808035MM about 240g Printing paper size: 25*57mm Notice: C9/C13/C15/C17 Printer Optional but not including printing paper. Printer shall work with printing paper, we offer Printing Paper choice ( 5pcs), highly recommended includes: Choice 1: 1 x Printer (C9/C13/C15/C17 Optional) Choice 2: 5 x Printing Paper( Printing Paper only, not including printer)