Koolertron Wireless 2D Barcode Scanner, 2-in-1 Compatible with Bluetooth Function & Wired 1D 2D QR Bar Code Reader PDF417 Data Matrix Maxicode, Automatically Wireless Connect Extremely simple wireless connections on the Scanner and the Phone/tablet's Bluetooth function, search for available devices. Once you find the Scanner, just click to Connect without any settings. Support one-key pairing without pin code and will automatically connect after restarting the Scanner Ultra-far wirelesssupports a maximum wireless transmission distance up to 30M (open space).Compatible with POS, iOS, Android, Windows, Mac OS, Linux. Support us/De/fr/it/es keyboard Support 31 kinds 1d&2d bar codesthe Scanner can quickly read various kinds of 1D and 2D barcodes. 2D: QR, micro QR, PDF417, micro PDF417, data matrix, maxicode, Aztec, codablock a, codablock F. 1D: UPC/EAN, Code 11, Code 32, Code 39, Code 93, Code 128, codabar, full ASCII Code 39, ean-8, ean-13, upc-a, matrix 2 of 5, MSI, GS1 databar omnidirectional, GS1 databar limited, GS1 databar expanded, GS1 composite codes, trioptic Code, Airline 2 of 5, interleaved 2 of 5, Hong Kong 2 of 5(china post), Prolonged battery life and energy saving DesignWith a rechargeable 1800mAh battery, the Scanner can be used for 10 consecutive days/ 25, 000 scanning times on a full charge, longer than other counterparts. In order to save power, the Scanner will automatically shut down after 5 minutes of no operation by default, users can set or cancel the shutdown time. Mass offline storagebuilt-in 1MB high-capacity Memory, support 25, 000 24-digit 1D codes or 5, 000 50-digit 2D codes offline storage.