✅【Wearable Design Improves Work Efficiency】Anyeast wireless barcode scanner adopts a lightweight ring design with 180° flexible adjustment, the mini size attributes for portably recordinng barcode data and doing other things at the same time. The 360mAh battery achieves 8 hours continuous scanning time, this 2D barcode scanner is a preferred work companion for your sales shop, bookstore, library, pharmacy, clothing store, warehouse and logistics work.   ✅【2.4G Wireless & Bluetooth & USB Wired】This inventory scanner is easily paired to most devices with three types of connection mode. Works with our smartphone, tablet, laptop, Mac(If the port of Mac is Type-C, then you need a TypeC convert to USB cable, because the port of our product is USB, not included in the package), PC, POS and compatible with most Systems like Windows XP/7/8/10, Mac OS, IOS, Linux, Unix, Android. ✅【Key Trigger & Auto-Sensing & Continuous Scanning】This bar code reader makes it possible to choose most suitable 3 types of scanning and 2 types of upload methods to achieve different working need. Instant upload and Storage mode(can save 20,000 bar codes datas) meets short or long distance working use. ✅【More Functions】You can freely set this wearable barcode scanner by your needs. Add/Hide Custom Prefix or Suffix, selectable mute/vibrate/low, medium and high volume, compatible with different languages, multiple sleep time and so on. 2D Finger Ring Barcode Scanner 1. Mini finger ring design barcode scanner with 180° flexible adjustment improves work efficiency, help to record barcode data and doing other things at the same time. 2. With 3 scanning modes - key-trigger scaning, auto-sensing scanning and continuous scanning. 3. With 3 connection ways - 2.4G Wireless, Bluetooth and USB Wired.   5. Works with your smartphone, tablet, laptop, PC, POS and compatible with most Systems like Windows XP/7/8/10, Mac OS, IOS, Linux, Unix, Android. 6. The 360mAh battery achieves 8 hours continuous scanning time after 1 hour charging. 7. If you want to pair to the POS, Please make sure it supports the USB keyboard protocol. Support with Square/ iZettle/ Shopify/ Sum up only if they support the USB keyboard protocol. 8. In Storage mode, the scanned barcodes will store on the scanner, and then upload them to your device by scan a setcode. 9. Add/Hide custom prefix or suffix according to your working need.   Packing List 1 x barcode scanner 1 x user manual 1 x usb cable