MT500 1D Wireless Ring Scanner

Wearable Design for Hands-Free Scanning

Weighing at 20.5g, MT500 is the most lightweight wearable wireless 1D barcode scanner in the world that enables both hands-free scanning for mobile operators who work with laptops, tablets, smart phones or other mobile devices with iOS®, Android® and Windows®. With built-in Bluetooth® 5.0 technology, MT500 wireless ring scanner can send data to the host up to 20 meters away.

ring bracode scanner

Right and Left-Handed, With or Without Glove

MT500 allows mobile operators to wear on either their right or left hand according to user's preferences, and the operator can wear glove or don't. MT500 is designed to enable users to quickly capture any 1D barcode data in either printed or on-screen (LCD) format.

wearable barcode scanner

Ergonomic Design for Mobile Operators

MT500 provides the user freedom of movement to perform barcode scanning tasks comfortably while keeping both hands free. Thanks to the patented dual touch activated switches, the Velcro strap doesn't have to be tied too tightly, it prevents poor blood circulation and occupational injury as well as increase operators' satisfaction.

2d finger scanner

Flexible Operations of Data Collection

MT500 wireless ring scanner 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, MT500 can store up to 20,000 data scanned in user-friendly file format when it is operated in memory mode.

2D wearable ring scanner

Preventing Occupational Injury

Weighing at 20.5g, MT500 is multiple times lighter than the counterparts of other brands. Since wearing a ring of over 20g for long period of time may cause injury to the finger, MT500 as the most lightweight ring scanner, plus the patented double strap design as shown in above picture, ensures that the operator's finger feels no burden and has no contact with the hard plastic case, preventing occupational injury and discomfort.

wearable scanner

The Better User Experience

As classified by LED Safety Standard IEC 62471 (Exempt Group), the light source of MT500 is completely safe for human eyes even after long hours operation. With built-in buzzer and LED, MT500 provides full variety of Good Read responses such as audible and visual feedback. MT500 is also easily configured on the host computer by Marson's free user-friendly software tool, Ez Utility®. MT500 is shipped with three spare Velcro straps which are easily to be replaced for individual user to prevent infection. MT500 wireless ring scanner can be paired with an optional accessory MT612 Charging Cradle.



Optical & Performance
Light Source 625nm visible red LED
Sensor Linear Image Sensor
Scan Rate 650 Scans/Sec
Resolution 4mil/ 0.1mm
Scan Angle 41°
Pitch Angle ±30°
Skew Angle ±40°
Roll Angle ±20°
Print Contrast 30%
Width of Field 140mm (13Mil Code39)
Memory 2MB (20,000 barcodes)
Typical D.O.F*
(@ 800 Lux)
  • Code39
  • 4 Mil  : 38 ~ 81 mm
  • 5 Mil  : 32 ~ 107 mm
  • 10 Mil: 28 ~ 212 mm
  • 15 Mil: 41 ~ 316 mm
  • 13 Mil: 38 ~ 238 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 Switches, Function Button
Indicator LED, Buzzer
Operation Voltage 3.7 VDC ± 5%
Working Current < 110mA
Standby Current < 25mA
Battery  3.7V, 240mAh, Li-Polymer Battery
Number of Scan
(per full charge)
 7000 scans
(1 scan/ 5 secs, Bluetooth connected)
Radio Bluetooth 5.0® (Class 2)
Range (Distance) 66 ft/ 20m (line of sight)
Interface/ Profile
  • BT HID
  • BT SPP
  • 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)
Decode Capability
1D Symbologies UPC-A/UPC-E, EAN-8/EAN-13, Industrial 2 of 5, Codabar, Matrix 2 of 5, Code 11, Code 93, Code 32, Code 128, Standard Code 39, Full ASCII Code 39, Interleaved 2 of 5, China Postal Code, MSI Plessy Code, UK Plessy Code, EAN/UCC 128, Telepen Code, IATA Code, GS1 Databar
ESD Functional after 4KV contact, 8KV air discharge
Safety Approval IEC62471 (Exempt Group)
Environmental WEEE, RoHS 2.0
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 547134
China ZL 201020287072.6
United States US 8,220,712 B2
“ Need a custom product ? Please tell us your requirements. ”
* Those D.O.F are mean values.
** All Specifications are subject to change without notice.


  • Document
  • Document
    MT500 User Manual v1.2
  • Document
    MT500 Ring Scanner Datasheet
  • Document
    MT500 Quick Guide v1
  • Document
    HM3 VCP Driver
    For Products with HM3-x-x.xx Firmware