Features: 1. Thermal bluetooth receipt printer. It is suitable for supporting mobile products and suitable for outdoor working environment. 2. The product has the characteristics of small size, light weight, reliable performance, simple connection and convenient use 3. The main scope of application is: mobile polices system, tobacco distribution system, utility meter reading system, mobile office/mobile logistics system, portable instrumentation/testing equipment supporting equipment. 4. Low operating cost (no ribbon, no ink cartridge needed) 5. The printer could be powered by rechargeable battery. This special character make it successfully be applied to a variety of instruments, handheld data printing. Notice: 1. 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. Specification: Printing method: line thermal printing Printing speed: 70mm/s (max) Print head life: 100 million pulses/dot, or 100km Resolution: 203dpi (8dot/mm) Effective printing width: 48mm (384 dots) Usable paper width: 5801mm Paper bin capacity: diameter 40mm Power supply: rechargeable battery Battery specification: 7.4V/1500mAh Charging method: external charger Power adapter specifications: 9V-2A Font library: Use GB2312 standard font library, containing 12*24ASCII, 9*17ASCII characters Support multi-national language code pages (support traditional, Korean, Japanese, etc., require instructions before purchase) Command simulation for ESC/POS part of the command set Printing parameters: Support downloading Logo and printing, support printing one-dimensional bar code, two-dimensional bar code Barcode type: One-dimensional code: UPC-A / UPC-E / JAN13(EAN13) / JAN8(EAN8) / CODE39 / ITF / CODABAR/ CODE93 / CODE128 QR code: QR CODE Communication interface: standard RS232, USB, Bluetooth 2.0/Bluetooth 4.0 (optional) Driver: Win200/Win2003/Win2000/Win7/WinXP/VISTA/Win 8/Win 10/LINUX Use environment: -10-50C (temperature), 10-90% (humidity) Volume: 102X78X46 mm Weight: 134g (including battery) includes: 1 x Bluetooth USB Printer 1 x charger