Feature: 1. 【Finger Barcode Scanner】Ring design with faster tape makes it fixed flexibly and tightly on your finger, greatly increasing your working efficiency. 2. 【Exellent Barcode Capability】 Support 1D/2D QR codes, including 1D - Codabar, Codablocka, Codablockf, Code 11, Code32; Code 39，Code 93，Code 128，Ean-13 \u0026 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-e; 2D - Airline 2 Of 5，Aztec Code, Data Matrix, Grid Matrix Code, Gs1 Composite Codes, Maxi Code，Pdf417, QR Code. 3. 【2.4G \u0026 BT Wireless Connection】Plug and play, easily connect with various devices like laptop, PC, iPad and computers. 4. 【Long Working Time】 Powerful rechargeable battery with 320mah capacity, charging 2-3hrs and which have up to 10 hours using time. 5. 【Multiple Appplications】Designed to improve the productivity of Library Book, Warehouse Inventory, Store, Pharmacy, Supermarket, Express field. Specification: Features: 【Finger Barcode Scanner】Ring design with faster tape makes it fixed flexibly and tightly on your finger, greatly increasing your working efficiency. 【Exellent Barcode Capability】 Support 1D/2D QR codes, including 1D - Codabar, Codablocka, Codablockf, Code 11, Code32; Code 39，Code 93，Code 128，Ean-13 & 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-e; 2D - Airline 2 Of 5，Aztec Code, Data Matrix, Grid Matrix Code, Gs1 Composite Codes, Maxi Code，Pdf417, QR Code. 【2.4G & BT Wireless Connection】Plug and play, easily connect with various devices like laptop, PC, iPad and computers. 【Long Working Time】 Powerful rechargeable battery with 320mah capacity, charging 2-3hrs and which have up to 10 hours using time. 【Multiple Appplications】Designed to improve the productivity of Library Book, Warehouse Inventory, Store, Pharmacy, Supermarket, Express field. Specification: Model: R68 Color: Black Material: ABS, TPR Size: 50 x 45 x 36mm/2 x 1.8 x 1.4in Weight: 38g/1.3oz Wire Length: 0.9m Read Code Mode: 750 x 480CMOS Lighting: Red Led (625±10nm). Scan Mode: Image Scanning Memory Capacity: 512k (a Total Of 5000-10000 Barcode Data Can Be Stored). Accuracy: ≥5mil Print Contrast: ≥30% Barcodes Type: -1 Codabar, Codablocka, Codablockf, Code 11, Code32; Code 39，Code 93，Code 128，Ean-13 & 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-e -2d Airline 2 Of 5，Aztec Code, Data Matrix, Grid Matrix Code, Gs1 Composite Codes, Maxi Code，Pdf417, QR Code Interface: USB Scan Angle: 360°, ±65°, ±60° Depth Angle: 34 Degrees v x 46 Degrees h (Vertical Horizontal). Scan Speed: Horizontal Speed: 5 In. Per Second. (12.7 Cm) Scan Mothod: Wearable Buttons Trigger The Scan Prompts: Buzzer, Led Scan Depth Of View: Ean13(13mul) 50mm - 195mm Code39(5mil) 50mm - 105mm Fdf417(6.67mil) 35mm - 135mm Data Matrix(10mil) 35mm - 140mm Qr Code(15mil) 30mm - 165mm Transmission: Bt Connect (Support Protocols 2.0, 3.0,4.0) Communication Distance: ≦ 30 Meters Battery Capacity: 320mah Charging Time: 2-3 Hours Standby Time: 30 Seconds Into Standby Number Of Uses: 35,000 Times Compatible System: Windows98/XP/2008/Android Maximum Power: 0.912W Operating Voltage: （3.3V~4.2V）±5% Maximum Current: 240ma Environment: -10°C-60°C Storage Temperature: -20°C-60°C Store Moisture: 5%-90% Surrounding Lighting: 0-100,000 LX Seismic Capacity: 1.5m High Free Fall Package Size: 13 x 10.5 x 5cm/5.1 x 4.1 x 2in Package Weight: 160g/5.6oz Packing List: 1 x Barcode Scanner 1 x USB Cable 1 x Pluger 1 x USB Receiver 1 x User Manual Package List: 1 x Barcode Scanner 1 x USB Cable 1 x Pluger 1 x USB Receiver 1 x User Manual