Product details of NYEAR CB58 Portable Wireless Bluetooth Mini 58mm Thermal Pos Printer- Black. Portable Wireless Bluetooth. Supported Device : ios, android and windows. Printer Color: Black. Printing Method: Thermal Line Printing Print Speed: ≤90mm/sec. Reliability TPH Life: 100km. Resolution: 203DPI (8dot/mm). Printing Width: 48mm (384dot). Paper Width: 58±0.1mm. Roll Diameter: φ≤40mm. Paper Type: Thermal Paper. Power Supply: Rechargeable Lithium Battery. Battery: 7.4VDC,1500mAh. Power Adapter: Input 100-240V, Output 9V/1.5A. Character Size: 384 dots/line. Font A: 12 * 24dots, 1.5(W) * 3.0(H)mm. Font B: 9 *17dots, 1.1(W)* 2.1(H)mm. Simplified/Traditional: 24 * 24dots, 3.0(W)*3.0(H)mm. Language: Support for multiple languages Print Parameters: Support to download the Logo trademark, support bar-code print Emulation: ESC/POS/STAR command Interface: Standard RS232/USB, Bluetooth 4.0/SPP, BLE, Socket agreement or infrared/IRCOMM agreement (optional) Drivers:Win2000//Win2003/Win Vista/Win 7/Window XP/Win 8/Win 10/Linux Working Temperature: -10～50℃ Humidity: 10～90% Item Size: 10.4 * 7.5 * 4.5cm / 4.1 * 3.0 * 1.8in Item Weight: 185g / 6.5oz (with battery) Package Size: 17.9 * 11.4 * 6.1cm / 7.0 * 4.5 * 2.4in Package Weight: 419g / 14.8oz