K20 Back Clip 2D Barcode Scanner Wireless Bluetooth QR Code Reader

1. Light Source: 617 nm LED indicator, white LED
2. Supported Barcode Types:
– 1D Barcodes: Code 128, EAN-13, EAN-8, UPC-E, UPC-A, ISBN, ISSN, Code 11, ITF-25 (Interleaved 2 of 5), Code 39, Code 93, Code 32, CodaBar, Matrix 2 of 5, Industrial 25, IATA25, MSI-Plessey
– 2D Barcodes: QR Code, Micro QR, Data Matrix, PDF417, Micro PDF417, Aztec
3. Scanning Method: CMOS Imaging
4. Resolution: 640 x 480
5. Scanning Mode: Manual/Continuous/Auto-Flash
6. Scanning Angle: Yaw 45 degrees, Rotation 360 degrees, Pitch 45 degrees
7. Contrast: ≥20%
7. Field of View: 48 degrees (horizontal) x 36 degrees (vertical)
9. Accuracy: ≥5 mil
10. Scanning Distance Range:
– EAN-13 (13 mil): 4-25 cm
– Code 39 (4 mil): 4-10 cm
– QR Code (15 mil): 2-170 cm
11. Error Rate: 1 in 5 million
12. Interfaces: Receiver: USB-HID; Bluetooth: HID, BLE, SPP
13. Communication Modes: For pairing with a dedicated receiver: 2.4 GHz wireless communication; for pairing with a mobile Bluetooth device: dual-mode Bluetooth
14. Transmission Range: 100 meters (open space)
15. Pairing Methods: Via barcode pairing / dedicated pairing button
16. Alert Functions: Power alert, connection alert
17. Pairing Mode: One-to-one; one scanner pairs with one receiver, or one scanner pairs with one Bluetooth mobile device
18. Receiver: Bluetooth USB dongle designed specifically for Android/iOS mobile devices
19. Offline Storage Mode: Data is automatically saved when the scanner moves out of range. Storage capacity: 512,000 characters
20. Inventory Storage Mode: The scanner can enter inventory mode; storage capacity: 512,000 characters
21. Voltage: DC 5V
22. Lithium-ion Battery Capacity: 3,000 mAh
23. Charging Time: Approximately 3-4.5 hours
24. Battery Life: Approximately 12 hours
25. Operating Current: ≥26 mA when not scanning; ≥250 mA when scanning
26. Standby Current: 0 mA (Standby mode means battery power is cut off)
27. Charging method: Type-C USB charging cable; plug in to charge immediately
28. Operating temperature: -20 to 50 degrees Celsius
29. Storage temperature: -40 to 70 degrees Celsius
30. Humidity: 0%-95% RH (non-condensing)
31. Material: ABS+PC
32. Cable: 1-meter straight connector
33. Dimensions: 15.3 x 3.6 x 3.55 cm

Features:
1. Features a retractable mounting mechanism that allows for size adjustment, making it compatible with a wide range of mainstream smartphone models and ensuring a secure fit
2. Equipped with a CMOS image sensor that supports 1D and 2D barcode recognition, capable of reading barcodes on paper labels and electronic screens
3. Supports dual-mode communication via a 2.4 GHz wireless receiver and Bluetooth (HID/BLE/SPP), allowing connection to smartphones, tablets, and computers; also features an offline storage mode (approximately 510,000-character capacity)
4. Features a built-in 3,000 mAh rechargeable lithium battery with an operating battery life of approximately 6 to 10 hours; charges via a Type-C port
5. Portable, drop-resistant, and durable design, suitable for scenarios such as warehouse inventory counts, supermarket retail, and courier pickup and delivery