Ring Barcode Scanner 2.4G Wireless Bluetooth 2D Code Reader Wearable Finger Barcode Scanning Tool Item Type: Ring Barcode Scanner Material: ABS Battery: 1 x polymer battery with 500mAh battery capacity, shipped with built in battery. Image Sensor: 640 x 480, CMOS Decodable Formats: For EAN-8, for EAN-13, for EAN-13 2 add on, for EAN-13 5 add on, for ISSN, for ISBN, for UPC-A, for UPC-E, for Code 32, for Code 39, for Code 39FULLASCII, for Code 93, for Code 128, for Codabar, for Industrial 2 of 5, for Interleaved 2 of 5, for Matrix 2 of 5, for ISBT-128, for GS1-128, for GS1 DataBar RSS14, for GS1 DataBar Limited, for GS1 Databar Expanded, for PDF417, for Micro QR, for Data Matrix, for QR code, for Aztec. Minimum Recognition Accuracy: Code 39, 5mil Scanning Mode: Manual Button Scanning System Compatibility: For Linux, for Android, for Windows XP, 7, 8, 10, for OS X. Motion Tolerance: 2.2 meters per second. Recognizable Printing Contrast: 25% Identification Angle Range: Angle ± 360°, elevating ± 60°, deviation ± 70°. Keyboard Supporting Languages: English, French, Italian, German, Spanish, Türkiye Q, Belgium (French), Portuguese Portugal, etc. Code Scanning: Test Barcode: 6.6mil code39 Scanning Range: Approx. 6 ~ 22cm / 2.36 ~ 8.66in Test Barcode: UPC-13mil Scanning Range: Approx. 5 ~ 32cm / 1.97 ~ 12.6in Test Barcode: 20 mil code39 Scanning Range: Approx. 9 ~ 53cm / 3.54 ~ 20.87in Test Barcode: 20 mil QR Scanning Range: Approx. 5 ~ 33cm / 1.97 ~ 12.99in Fall Resistance: Can withstand 5 times free fall from 1.5 meters. Waterproof and Dustproof: In accordance with IP54 standard. Working Temperature Range: -20~55℃ Storage Temperature Range: -20~60℃ Transmission Method: Wired USB and wireless Bluetooth. Transmission Distance: Approx. 15m / 49.21ft Working Hour for One Charge: 4 hours, 1000 times per hour. Estimated Charging Time: 2.5 Hours Storage Capacity: 120,000pcs