Bluetooth 2D portable scanning device: Handheld Bluetooth wireless barcode scanner portable scanner express supermarket screen payment scanner warehouse inventory machine 3-in-1 transmission connection method: The portable barcode scanner has a three-in-one connection design: compatible with Bluetooth connection,2.4G transmission, USB wired connection. Support multiple languages: Our barcode scanner supports multiple languages, you can freely choose English, German, Japanese, French, Italian, Spanish. Multi-system compatibility: Compatible with Windows, MacOS, lOS, Linux, Unix, Android and other common systems and various software, suitable for desktops and notebooks, no driver installation required, plug and play Colour:As Shown Material:plastic type:M9D 1D 2D/M9L 1D Laser Package Contents: 1 x Wireless QR code scanner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.