Feature 1A Useful Printer: USB wireless thermal printer supports computer and mobile printing. The computer has a USB interface, and the phone has a Bluetooth connection. The printer supports local program upgrades. 2Excellent Performance: The pocket printer supports multi interface time sharing printing, and the dual mode Bluetooth 4.0 connection is more stable, suitable for multiple locations, platforms, and more. 3High Speed Printing: The portable thermal printer supports Bluetooth 4.0 for Android, for iOS, and for Windows, allowing you to print wireless data on your device. Printing speed up to 150 mm/s, faster and more energy efficient. 4Multiple Connections: Bluetooth thermal printer supports Bluetooth or USB computers and is compatible with multiple format of test, picture, barcode, QR code, etc. 5Wide Application: An inkless pocket printer is used to print black and white images, photos, memos, shopping lists, study, meeting notes, business, work plans, office assistants, shopping lists, labels, messages, lists, web pages, QR codes, records, and more.Item Type: Bluetooth Thermal PrinterBattery: 1 x 7.4V lithium battery, 2600mAh. Shipped with built in battery. Resolution: 203dpiOutput: Black and WhitePrinting: Thermal PrintingPrinting Speed: 100-150mm/sCommunication: USB, Bluetooth. Paper Type: For label paper, express delivery surface paper. Charging Time: 2-4HPrinting Content:For Text: Supports Chinese, English, Japanese, etc., supporting a full range of office software printing such as Word, Excel, PPT, etc. For Image: Supports JPG, BMP, TIF, JPEG and other formats of images, with no development required for driver mode, and supports grayscale printing of images. For Barcode: UPC-A, UPC-E, EAN-13, EAN-8, CODE39, CODEBAR, CODE93, CODE128, TIF. For QR Code: QRCOE, PDF417Supporting System: For Windows, for Android, for iOS, for Linux. Working Temperature: -10 -50 Storage Temperature: -20-70 Working Humidity: 20-50%Storage Humidity: 5-95% .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x BluetoothThermalPrinter1 x Data Cable1 x Paper Limiter