Model Number: WH-M01 Bluetooth printer Brand Name: WH,Brightek Key Specifications/Special Features: Printing method: direct thermal line printingPaper width: 57mmResolution ratio: 8 dots/mm (384 dots/line)Life of printing head: 50kmPrinting speed: 60mm/sec

Charger:

• Input: 100 to 240V AC, 1.0A
• Output: 8.4V DC, 1.2A

Battery: output 7.4V DC (8.4/6.8V), 1,800mAh

Charging time: 2.5 hours

Battery lifespan: 500 times

Paper supplied: thermal roll paper (57mm/wide, 40mmdiameter)

Interface: serial/USB, Bluetooth/IrDA

Temperatures:

• Printer: -10 to 50°C (14 to 122°F)
• Battery: 0 to 40°C (32 to 104°F)

Humidity:

• Printer: 10 to 90% RH
• Battery: 20 to 70% RH

Printer weight: 0.175kg

Battery weight: 0.100kg

Bluetooth and the Bluetooth logo are registeredtrademarks of the Bluetooth SIG