Features: 1.WEARABLE RING DESIGN: The Barcode scanner is designed as a wearable ring that can be worn on the finger, allowing you to scan barcode data and record it in a timely manner. It supports two modes of use: imminent upload and storage mode, and supports sound and vibration to be turned on or off. 2.1D BARCODE DECODING: Mini barcode scanner has 1D barcode decoding capability. Fast scanning speed, can easily catching most of the 1D codes, such as UPC A, EAN 13, EAN 128, ISBN, code 39, code 128, Codabar and so on. 3.270 ROTATION: Ring barcode scanner adopts 270rotation design, which can be freely rotated left and right by 270according to the usage environment, and can easily cope with different scanning scenarios. 4.THREE CONNECTIVITY MODES: The Barcode scanner supports 2.4G wireless and Bluetooth and USB wired connectivity modes. The wireless design allows you to take it anywhere and work with it, making it ideal for organizing and cataloging barcodes. 5.MULTI DEVICE CONNECTION: Barcode scanner easily connects to laptops, PCs, POS, smartphones, tablets and other devices, perfect for windows xp/7/8/10, for OS X, for Linux and other common systems. specification: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 PackageList: 1 x Scanner (Ship with Inbuilt Battery) 1 x 2.4G Receiver 1 x Data Cable 1 x User Manual