3-in-1 Base: The base is equipped with a 2.4 GHz wireless receiver port, and in wireless mode, there is no need to plug the USB wireless receiver into your computer. Once connected to the computer via USB cable, the unit starts working. Work while charging. Charging starts automatically whenever the scanner is placed on the cradle, which doubles as a scanner stand. 3 connection modes: USB 2.4GHz wireless Bluetooth 4.1 and USB 2.0 wired connection; equipped with mini USB receiver and USB data cable, plug and play. A CCD scan head can scan screen codes. Unable to scan QR code. Not available with Shopify POS systems, not available with Square. Wall-mounted: There are holes reserved at the bottom of the bracket for warehouses without desktops. The barcode scanner holder can be adjusted to different angles and the charging stand can be used as a USB receiver. The folding stand is simpler and more convenient to install and remove than the ordinary barcode scanner stand. Memory 16 MB, offline storage capacity 2600. Rugged Design: Designed to withstand a 4 ft./1.2 m drop; sound and LED indicate power and operating status. Colour:black Material:ABS Size:Length: about 14cm Package Contents: 1 x Scanner 1 x base 1 x receiver 1 x data cable