1D Bluetooth Wearable Ring Barcode Scanner 270 Degree Rotation 3 Connectivity Modes Hands Free Mini Finger Bar Code Reader Item Type: 1D Bluetooth Wearable Ring Barcode Scanner Material: ABS Optical System: CCD Sensor Light Source: Visible Red Lamp, Wavelength 632nm Resolution:1500 Resolution:>4mil/0.1mm(PCS90%,CODE 39) Decoding Speed: Up to 300 times/sec. Reading Depth of Field: Approx. 70mm-400mm / 2.8 x 15.7in Reading Mode: Manual, Normal Light, Induction, Flashing Reading Prompting Mode: LED Indicator, Buzzer, Vibration Induction Transmission Distance: 2.4G: Approx. 150meters / 164yd Bluetooth 4.2: Approx. 50meters / 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 Read 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) Codabar (NW 7),MSI Plessey,RSS,China Post,etc. Communicate: Wireless 2.4G, Wireless Bluetooth Operating Temperature: 0℃ to 50C Storage Temperature: -40℃ to 70℃ Operating Humidity: 5% to 95% (Non Condensing) Drop Test: Approx. 1.5meters / 1.64yd