Model Number: WH-M07 bluetooth thermal printer Brand Name: WH,Brightek Key Specifications/Special Features: WH-M07See table below: ItemSpecificationsPrintingmethod directthermallineprinting Paperoutdetection PEsensors Paperloadingway easypaperloading Paper width 57mm Resolutionratio 8dots/mm(384dots/line) Lifeofprinthead 50km Printspeed 60mm/sec Charger input 100-240V AC,1.0A
output 8.4V DC,1.2A Battery 7.4V DC (8.4-6.8V),1300mAh Charging time 2hours Outlinedimensions 80*46*123mm Papersupplied thermal paperroll(57mmwidth,40mmdiameter) Interface serialRS-232C/USB/Bluetooth/Wifi Temperature printer: 10-50°C (14-122°F) Temperature battery: 0-40°C (32-104°F) Humidity printer: 10-80% RH Humidity battery: 10-90% RH Massstorage 8G SD