Features: 1.OLED Display: This wireless barcode scanner is designed with OLED display, which can show you the status of device in real time. 2.Voice Prompt: This QR scanner also features intelligent voice prompt function, providing more convenience during use. 3.2.4GHz Wireless: This 2D barcode scanner adopts 2.4GHz wireless technology that ensures fast and stable transmission. 4.20,000 Data Storage: This handheld barcode scanner supports maximum 20,000 date storage, meeting your needs for data process. 5.Plug and Play: This USB barcode scanner is plug and play, maximum 54.7 to 109 yards effective transmission distance in open area, and maximum 21.9 yards transmission in BT mode. specification:Item Type: Wireless Barcode Scanner Material: ABS Scanning Mode: Manual, Continuous Communication Interface: USB Human Interface Device Keyboard, USB COM Virtual Serial Port Port Type: USB Type B Prompt Mode: Voice Prompt, OLED Display Setting Mode: Button Setting and Manually Scan the Setting Code in Order Wireless Distance: Approx. 50 to 100 Meters / 54.7 to 109yd Storage: 5000 to 20000 Characters Scaning Type: Single Wire Scanning Scanning Accuracy: 0.10mm (pcs0.9) Scanning Angle: 55, 65, 30 (Left and Right, Front and Back, Rotating) Scanning Rate: 200 Times/Second Scan Width: 30mm at Scanner Window, 220mm at 200mm Scanning Depth of Field: 0 to 250mm(0.33mm.PCS 90%) Type of Decoding: EAN 8, EAN 13, UPC A, UPC E, Code39, Code93, Code128, EAN128, Codaber, Industoal 2 of 5, Interleave 2 of 5, Matrix 2 of 5, MSI Battery Type: Inbuilt 2000mAh Lithium Ion Battery PackageList:1 x Wireless Barcode Scanner 1 x Receiver 1 x USB Cable 1 x User Manual