13 TYPES CONNECTION: 1D 2D barcode scanner supports wireless Bluetooth, 2.4G wireless and wired USB three types of connection, adapting to different use scenarios, and supports 5W wireless charging, more convenient to use. 2OMNI DIRECTIONAL SCANNING: Barcode scanner has a large range of scanning angles, left and right 60, front and back 54, rotate 360, no blind scanning, greatly improving work efficiency. 3640x480 RESOLUTION: Desk QR barcode reader adopts 640x480 high resolution CMOS global exposure scanning technology, which can quickly and accurately recognize 1D and 2D barcodes. 4STRONG RECOGNITION ABILITY: Handsfree barcode scanner can recognize a variety of 1D and 2D barcodes, and it also supports cell phone screen reading, which is suitable for a variety of occasion, including supermarkets, retail stores, banks and libraries. 5LONG STANDBY TIME: Desktop barcode scanner has a built in 2000mAh high capacity lithium ion battery, with a standby time of up to 30 minutes.