Feature: 1. SUPPORT APP CONNECTION: BT POS restaurant printer, USB wireless thermal invoice printer, support multiple delivery software, and support computer and mobile printing. The computer has a USB port, and the phone has a BT connection. The printer supports local program upgrades. 2. EXCELLENT PERFORMANCE: The printer supports multi interface time sharing printing, and the dual mode BT 4.0 connection is more stable, suitable for multiple locations, platforms, and more. 3. HIGH SPEED PRINTING: Portable thermal printers support BT 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. 4. MULTIPLE CONNECTIONS: BT thermal printer supports BT or USB computer compatibility. Improve work efficiency. 5. EASY CARRYING: With a compact and small size, the printer can be easily carried for different scenes to use. Specification: Item Type: Receipt Printer Material: ABS Battery: 7.4V polymer lithium battery x 1 1500mAh (shipped with built in battery) Printing Method: Form thermal sensitive Output Mode: Black and white Resolution: 203dpi Printing Speed: 60mm to 150mm/s Standby Time: 100H Print Instructions: ESC POS compatible instruction set Printing Width: 48mm ± 0.5MM (width) Power Output: 5V 2A Print Content: Text: Chinese, English, Japanese (optional language), supporting a full range of office software printing such as Word, Excel, PPT, etc. Image: Supports JPG, BMP, TIF, JPEG and other formats of images, with no development required for driver mode, and supports grayscale printing of images Barcode: UPC A, UPC E, EAN 13, EAN 8, CODE39, CODEBAR, CODE93, CODE128, TIF QR Code: QRCOE, PDF417 Platform Support: For Windows, for Android, for iOS, for Linux Size: Approx. 58mm / 2.28in . Package List: 1 x Printer1 x Data Cable 1 x Paper Limiter 1 x Manual 1 x Roll Paper