1、Convenient Wearing: Finger wearing is convenient, fast, small, and lightweight, saving effort and worry when worn on the finger. 2、Large Capacity: Can scan without connecting the device, and the scanner will automatically record the scanned information. After connecting to the device, there will be no missing uploads, and 120,000pcs barcode can be saved. 3、Long Working Hour: Low power consumption and ultra long standby 500mAh lithium polymer battery, fully charged, can continuously scan around 1,500 barcodes, and the scanner reader can be set to not work and enter sleep mode. 4、Wireless Connection: Bluetooth connection supports three major systems, including for IOS, for Windows, and for Android, with a 15 meter open space communication range. 5、Wide Application: Widely used in multiple industries such as supermarkets, shopping malls, stores, pharmaceuticals, book management, express delivery, clothing, etc. 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 1 x Ring Barcode Scanner 1 x Receiver 1 x USB Cable 1 x User Manual