1D/2D Wearable Ring Barcode Scanner Mini Portable 3-in-1 USB Wired Wireless finger scanner Compatible for Windows iOS Note: 1D barcode, it only can scann 1D barcode 2D barcode, it can scan 1D and 2D QR barcode The Design of Ring:Our product use the design of adjustable ring which make your hand fits perfectly with the scanners,And it can rotate 270,Make your work handy,Improve the work efficiency.Help you save a lot of work time. USB Wired & Wireless Bluetooth-compatible:Two connection modes,you can transfer your barcodes to your computer directly by USB or you can use the Bluetooth-compatible mode,Which can make you working moreConvenient.The transmission distance of the wireless blluetooth is Max 50m/128ft,depend on obstacles and signal interference. 16M Memory Storage:Due to the 16M Memory Storage fuction,Once if the scanner is too far from the host/receiver or working in environment with obstacles,You can still work with our barcode scanner,The scanner can store up to 130,000 barcodes Max.The barcodes only transmitted to the host/receiver when you want to.Compatible Systerm & Powerful Decoding Ability:The barcode scanner work with PC,POS machine,tablet or mobile Phone.Compatible with Win 7/8/10,IOS,Android,Linux,Mac OS,Can reads UPC-A,UPC-E,EAN-13,ISSN,ISBN,Code 128,Code 39,Code 39 Full ASCII,Code 93,Code 11,Interleaved 2 of 5,Industrial 2 of 5,Standard 2 of 5,Codabar,MSI, Post,etc.Linear CCD Sensor,Can scan 1D Code on screen. Large Capacity Battery:Built-in 360mAh recharge battery,Once charged fully,the barcode scanner can continuously scanning 6 hours,easier charged fully with the USB cable.If you have any problems about our product,please kindly contact us.