Mini Portable Rrinter For Mobile Phone Wireless Mini Bluetooth Thermal Printer Machine For Small Business Supplies ReceiptThis is Thermal Printer,you don't need any ink or toner, only need to use Thermal paper.Please download the APP in the APP store.Android: Loyverse POS, Zobaze POS,iOS: CaysnPrinter(demo app),POS PRINTER,- Print method:58mm Bluetooth Portable Mobile Thermal Printer- Bluetooth compatible version:4.0- Support System:Windows/ Android+iOS- Interface:power jack, mini USB- Print speed:50 - 89.9mm/s- Dot per line:384 dots per line- Paper thickness:0.05 - 0.10mm- Print width:48 + / - 0.5mm- Printing paper:57.50mm0.5mm30mm- Rolling paper diameter:25mm- Life cycle time: 50km ( printing density under 12.5 percent ) / 100 million pulses- Barcode type:UPC - A / E, EAN - 13 / 8, CODE39 / 93 / 128, TIF, CODABAR; 2D: QR code, PDF417- Working temperature:-10 - 50 Deg.C- Internal characters:ASCII CH ( 8 x 16, 9 x 17, 9 x 24, 12 x 24 ); GB18030 ( 16 x 16, 24 x 24 )- Printing command:ESC / POS compatible with order sets- Paper feeding:easy paper loading- Black mark test:support- Battery:Built-in 1500mAh lithium-ion battery,can work up to 3 days- Charging time:2 - 4 hours- Standby time:100 hours- Power adapter:DC 5V / 2A- Weight:0.3kg