2D Mini Scanner: Kedida wireless scanner is light and portable for carry around with you for the long haul. With a wrist strap to prevent the scanner from accidentally falling and Silicone Case to help against dust and resist the impact.  3-in-1 Connection: Our QR code scanner compatible with Bluetooth, 2.4GHz wireless and USB 2.0 wired mode. Stable connection and conevnient to switch mode, easily connected with your laptop, PC, mobile phone, tablet, iphone, ipad, POS; works with Windows, Android, IOS, Mac OS and all common software, widely used in Supermarket, Convenience Store, Warehouse.  Strong Recognition Ability: Bluetooth barcode scanner with extraordinary performance on scanning most 1D 2D QR barcodes on labels, paper and screen, and can read even deformed, smudged, damaged, fuzzy, reflective barcodes, etc. Code Image Reader reading faster and more accurate, no more frustrating delays trying to adjust the right angle.  Long Working Time: Rechargeable 600mAh built-in battery, less than 2 hours full charging for over 6 hours continuous scanning work. Less charging and better efficiency. LED display connection status, you can easily know the connection status. Transmission speed can be adjusted in order to scan barcodes faster.  Advanced Functions: Cordless barcode scanner support Add/hide custom prefix or suffix digits, Buzzer can be set to mute for quiet operation, support Instant upload/Storage mode.The transmission range reaches 50m/164ft in an obstacle free environment. Transmission speed can be adjusted in your need. Enjoy the smooth running and expect reliable performance to raise Your Working Efficiency.