1. OLED display: This wireless barcode scanner is designed with an OLED display, which can display the status of the device in real time. 2. Voice prompt: This QR code scanner also has an intelligent voice prompt function, providing more convenience during use. 3. 2.4GHz wireless: This 2D barcode scanner uses 2.4GHz wireless technology to ensure fast and stable transmission. 4. 20,000 data storage: This handheld barcode scanner supports up to 20,000 data storage to meet your data processing needs. 5. Plug and play: This USB barcode scanner is plug-and-play. The maximum effective transmission distance in the open area is 54.7 to 109 codes, and the maximum transmission distance in BT mode is 21.9 codes. Specification Item Type: Wireless Barcode Scanner Material: ABS Scan mode: manual, continuous Communication interface: USB human-machine interface device keyboard, USB COM virtual serial port Port type: USB Type B Prompt method: voice prompt, OLED display Setting method: button setting, manual scanning of setting code in sequence Wireless distance: about 50 to 100 meters/54.7 to 109 yards Storage: 5000 to 20000 characters Scan type: single line scan Scanning accuracy: 0.10mm (pcs0.9) Scan angle: 55, 65, 30 (left and right, front and back, rotation) Scan rate: 200 times/second Scan width: 30mm at scan window, 220mm at 200mm Scanning depth of field: 0 to 250mm (0.33mm.PCS 90%) Decoding type: EAN 8, EAN 13, UPC A, UPC E, Code39, Code93, Code128, EAN128, Codaber, Industrial 2 of 5, Interleave 2 of 5, Matrix 2 of 5, MSI Battery type: built-in 2000mAh lithium-ion battery packing list 1 x wireless barcode scanner 1 receiver 1 USB cable 1 user manual