Feature:1. Wearable Ring Design: The design of the ring scanner is very special and portable. This mini barcode scanner allows you to wear it on the left or right with your fingers, increasing your satisfaction and comfort.2. 2.4g Wireless Connection: The wireless transmission distance of our wireless barcode scanner's BT barcode scanner can attain 10 meters, which can increase productivity by 10%30% compared with ordinary wired handheld scanners.3. Compatible Devices: The barcode scanner includes a USB receiver, which can support for Windows XP, Win 7, Win 8/10 system PCs, for Android devices, and for IOS devices.4. Built in Flash Memory: Built in 512K flash memory, which can store 500010000 bar number data.5. Easy to Use: You can directly scan barcodes to tablets and smartphones without installing any software.Specification:Item Type: ScannerMaterial: ABSModel: R68Colour: BlackReading Method: 750 x 480CMOSScanning Method: Image ScanningMemory Capacity: 512K (A Total of 5000-10000 Barcode Data Can Be Stored)Accuracy: 5milPrinting Contrast: 30%Transmission: Wireless 2.4gCommunication Distance: Approx.10m / 10.9ydBattery Type: Built in 320mAh Lithium BatteryCharging Time: 2-3 HoursUse Times: 35000 TimesDepth Angle: 34 Degrees V X 46 Degrees H (Vertical and Horizontal)Scanning Angle: 360, 65, 60Scanning Performance (Scanning Depth of Field):Approx.EAN13(13mul) 50 -195mm / 2 - 7.7inCode39(5mil) 50 -105mm / 2 - 4.1inFDF417(6.67mil) 35 - 135mm / 1.4 - 5.3inData Matrix (10mil) 35 -140mm / 1.4 - 5.5inQR Number (15mil) 30 -165mm / 1.2 - 6.5inDecoding Ability:2D Airline 2 of 5, Aztec Number, Data Matrix, Grid Matrix Number, GS1 Composite Codes, Maxi Number, PDF417, QR Number1D Codabar, Codablock A, Codablock F, Code11, Code32; Code39, Code93, Code128, EAN-13 and EAN-8, Full Ascii Code39, GS1 Data Bar, Industrial 2 of 5, Interleaved 2 of 5, ISBN / ISSN, Matrix 2 of 5, MSI / Plessey, UPC- A/UPC-EPrompt Mode: Buzzer, LEDScanning Speed (Horizontal Speed): 5in (12.7cm) Per Second.Package List:1 x Scanner1 x Receiver1 x Plug1 x Data Line1 x Chinese and English User Manual