1D Wireless Ring Barcode Scanner 2.4G Bluetooth USB Portable Wearable Mini Finger Bar Code Reader for Windows for OS X Item Type: Wireless Ring Barcode Scanner Material: ABS Optical System: CCD Sensor Light Source: Visible Red Light, Wavelength 632nm Resolution: 1500 Resolution: >4mil/0.1mm(PCS90%,CODE 39) Decoding Speed: Up to 300 Times/sec Reading Depth of Field: 70‑400mm/2.8-15.7in Reading Mode: Manual, Constant Light, Induction, Flashing Reading Prompt Mode: LED Indicator, Boom, Vibration Induction Transmission Distance: 2.4G: 150 Meters/164yd; Bluetooth 4.2: 50 Meters/54.7yd (Open Environment) Storage Capacity: 2M (About 100000 13bit Commodity Code) Battery Type: Lithium Battery Battery Capacity: 400mAh (Included) Continuous Scanning Time: ≥ 2.5 Hours Reading Code System: UPC A, UPC E, EAN 8, EAN 13, ISSN, ISBN, Code 128, GS1 128, Code 39, Code 93, Code 32,Code 11, UCC/EAN128, Interleaved 2 of 5, Industrial 2 of 5, Codabar (NW 7), MSI Plessey, RSS, China Post, Etc. Communication Mode: Wireless 2.4G, Wireless Bluetooth Operating Temperature: 0℃ to 50℃ Storage Temperature: ‑40℃ to 70℃ Working Humidity: 5‑95% (no Condensation) Drop Test: 1.5m/1.6yd