Features: 1. It applies to mobile products to support the use and is suitable for outdoor work environments 2. Small in size, light in weight, reliable performance, simple to connect, easy to use 3. Low operating costs (no ribbons or ink cartridges) 4. High speed, long life and high quality. Suitable for all types of commercial POS systems 5.Multi-Function: Practical thermal printer that can help to print errors, work plans, shopping lists, photos, memos, receipts, labels, tags, etc. One-click printing to improve work and study efficiency. 6.Wireless Connection: Support connect with app (walkprint) from 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 measurementc17:Printing parameters: 200DPIPrint method: thermal colorless black and white printingBattery capacity: 800 mAhs 7.4V lithium battery 2A chargingPrinting paper: 57x30 mm need to buy original printing paper for easy replacementConnection method: BT wireless ink-free black and white printingFactory standard configuration: host + charging + manual + certificate + printing 1 rollProduct size: 808035MM about 250gC9:Printing parameters: 200DPIPrint method: thermal ink-free black and whiteBattery capacity: 800 mAhs 7.4V lithium battery 2A chargingPrinting paper: 57x30mm need to buy printing paper for easy replacementConnection method: BT wireless ink-free black and white printingFactory standard configuration: host + charging cable + manual + certificate + 1 roll of printing paperProduct size: 110X80x30MMSingle weight: about 256gC13:Printing parameters: 200DPIPrint method: thermal ink-free black and white printingBattery capacity: 800 mAhs 7.4V lithium battery 2A chargingPrinting paper: 57x30 mm need to buy original printing paper for easy replacementConnection method: BT wireless ink-free black and white printingFactory standard configuration: host + charging cable + manual + certificate + printing 1 rollProduct size: 8080x35M about 250gC15:Printing parameters: 200DPIPrint method: thermal ink-free black and white printingBattery capacity 800 mAhs 7.4V lithium battery 2A chargingPrinting paper: 57x30 mm need to buy original printing paperConnection method: BT wireless ink-free black and white printingFactory standard configuration: host + charging cable + manual + certificate + 1 roll of printing paperProduct size: 808035MM about 240gPrinting paper size: 57mmNote:C9/C13/C15/C17 printer Optional but not printing paper. Printer should work with printing paper, we offer printing paper choice (5 pcs), strongly recommend: Choice 1: 1 x printer (C9/C13/C15/C17 optional) Choice 2: 5 x printing paper (only printing paper, not including printer)