MT500L Wireless Ring Scanner

Wearable Design for Hands-Free Scanning

With built-in Bluetooth® 4.1 technology, MT500L wireless ring scanner can send data to the host up to 10 meters away. This wearable lightweight wireless 1D barcode scanner enables hands-free scanning for mobile operators who work with laptops, tablets, smart phones or other mobile devices with iOS®, Android® and Windows®.

ring bracode scanner

Ergonomic Design for Mobile Operators

MT500L's double strap design allows mobile operators to wear on either their right or left hand for long periods of time, and provide the user freedom of movement to perform barcode scanning tasks comfortably while keeping both hands free. The dual touch activated buttons can reduce working interference and increase operators' satisfaction.

wearable scanner

Increasing Mobile Productivity

MT500L wireless ring scanner is designed to enable users to quickly capture any 1D barcode data in either printed or on-screen (LCD) format. Built with Bluetooth® 4.1 and power saving technology, MT500L can help user to operate around the clock with less downtime ensuring mobile productivity during the entire busy shift for more than 8 working hours.

ring scanner

Flexible Operations of Data Collection

MT500L is versatile with the advantage of conducting flexible data collection operations of both on-line wireless mode and off-line memory mode including multiple communication interfaces (BT HID/ USB HID/ USB VCP). With a built-in memory of 2MB, MT500L can store up to 20,000 data scanned in user-friendly file format when it is operated in memory mode.

ring scanner

On-Screen Barcode Readability

The MT500L SBR (Screen Barcode Readable) laser scanner is equipped with a thin, sharp and safe class 1 laser aimer which helps users to accurately aim at barcodes. With Marson's patented laser technology, no moving parts, configurable brightness and auto-adaptive illumination, MT500L ensures accurate barcode capture of either printed or on-screen (LCD) barcodes.

wearable scanner

The Better User Experience

As classified by Laser Safety Standard EN/IEC 60825-1 (Class 1), FDA, the light source of MT500L is completely safe for human eyes even after long hours operation. With built-in buzzer and LED, MT500L provides full variety of Good Read responses such as audible and visual feedback. MT500L is also easily configured on the host computer by Marson's free user-friendly software tool, Ez Utility®.



Optical & Performance
Light Source 650nm visible red Laser
Compensation Light visible white LED
Sensor Linear Image Sensor
Scan Rate 400 Scans/Sec
Resolution 4mil/ 0.1mm
Scan Angle 41°
Pitch Angle ±30°
Skew Angle ±40°
Roll Angle ±20°
Print Contrast 30%
Width of Field 130mm (13Mil Code39)
Memory 2MB (20,000 barcodes)
D.O.F (@ 800 Lux)
  • Code39
  • 4 Mil  : 45 ~ 70 mm
  • 5 Mil  : 40 ~ 95 mm
  • 10 Mil: 40 ~ 170 mm
  • 15 Mil: 55 ~ 255 mm
  • 13 Mil: 50 ~ 210 mm
Physical Characteristics
Dimension W27.6 x L46.2 x H26.8 mm
Weight 20.5g
Color Black
Material PC+ABS
Cable Micro(M) to USB A(M) Cable, 1.5M
Trigger Touch Scan Button, Function Button
Indicator LED, Buzzer
Operation Voltage 3.7 VDC ± 5%
Working Current < 85mA
Standby Current < 30mA
Power Down Current < 500uA
Battery  3.7V, 200mAh, Li-Polymer Battery
Number of Scan
(per full charge)
 6000 scans
(1 scan/ 5 secs, Bluetooth connected)
Radio Bluetooth 4.1 (Class 2)
Range (Distance) 33 ft/ 10m (line of sight)
Interface/ Profile
  • BT HID
  • Memory
User Environment
Operating Temperature -10 ~ 50˚C
Storage Temperature -20 ~ 60˚C
Humidity 0% ~ 95%RH (Non-condensing)
Drop Durability 1.5M
Sealing IP42
Ambient Light 70,000 Lux (Sunlight)
1D Symbologies Codabar, Code 11,Code 32(PARAF), Code 128, Code 2 of 5, Code 39, Code 93, EAN/JAN-13, EAN/JAN 8, EAN-UCC Emulation, IATA Code 2 of 5, Interleaved 2 of 5, Matrix 2 of 5, MSI, GS1 DataBar, TCIF Linked Code 39, UPC-A, UPC E, GS1 Databar, UPC-A/EAN-13 with Extended coupon Code , Coupon GS1 , GS1 codebar
ESD Functional after 4KV contact, 8KV Air discharge
EMC/RF FCC Part15B ClassB, Part15C
CE EN62479, EN301489-1-17, EN300328 V2.1.1
Safety Approval EN/IEC60825-1 (Class 1), FDA, EN/IEC60950-1
Environmental WEEE, RoHS 2.0, REACH
Out Of Box
Cable Micro(M) to USB A(M) Cable, 1.5M, Black
(P/N: 7005-9892A50, QTY: 1)
Velcro Strap Velcro Strap, Black
(P/N: 30G0-6539001, QTY: 3)
Taiwan M 395218
M 432094
M 457244
China ZL 201020287072.6
ZL 2012 2 0056120.X
ZL 2013 2 0042893.7
United States US 8,220,712 B2
US 8,770,845
Japan 3176098
Germany 202012101013.5
“ Need a custom product ? Please tell us your requirements. ”

* All Specifications are subject to change without notice.


  • Document
  • Document (member only)
    Product Datasheet 2018
    Full Range
  • Document (member only)
  • Document (member only)
    Ez Utility v5.04
    For Standard Firmware
  • Document (member only)
    MT500L Quick Guide v2
  • Document (member only)
    MT500L User Manual v2017.1
  • Document (member only)
    SM3 VCP Driver
    For Products with SM3-x-x.xx Firmware