Bluetooth function, low noise and high speed printing.Equipped with a capacity rechargeable lithium battery 7.4V, 2250mAh.Support client local upgrade, equipped with Windows computer side driver.It can be used for 5-7 after fully . The indicator light will be on when charging, and the indicator light will be off after charging.The structure is exquisite and light, easy to carry.Type:PrinterPrinting :thermal printingEffective printing width:78 mmDensity is 8/mm, 384 points/linePrinting characters: ANK:8 x 12, 16 x 24 GBK:16 x 24, 24 x 24Characters per line ANK:48,32 GBK:24,16Paper Type:Thermal Label PaperPaper width:80mmReel Diameter:50mmCore diameter 15mm (minimum)Paper thickness:0.12mmPrint head life:50 kilometersBarcode 1-D:-A, -E, -13, -8, CODE39, ITF25, CODABAR, CODE93, CODE1282-D:QR codeInstruction set:ESC / Power supply:AC100-250V/1.0AWorking temperature:-10 - 50 degrees CelsiusStorage temperature:-20 - 70 degrees CelsiusOperating humidity:20-85%Storage humidity:5-95%Printing speed:90mm/sPlug Type:EU Plug,it applies to Indonesia, , , , and so on.Voltage:AC100-250VColour:BlackMaterial:ABSSize:11.6x12.3x5.4cmPackage Contents:1 * Printer1 * Roll Paper1 * Power Adapter1 * Printer Cover1 * USB CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.