MT500L Wireless Ring Scanner

The MT500L is developed by integrating Marson’s mini barcode scan engine with wireless scanning technology. With its innovative hands-free scanning design, and unique touch activated scan button, the MT500L wireless ring barcode scanner is designed specifically to fulfill the demands of mobile operators. The MT500L can more effectively meet the demands of the logistics, distribution and warehouse management markets by helping to enhance speed of service.
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wireless barcode scanner

Hands-Free Scanning Design

MT500L’s strap design and dual touch button allows workers to wear the scanner comfortably on either their right or left hand. The touch button reduces working interference and increases workers satisfaction and efficiency. Its compact and minimized form factor also makes it a great tool to wear for over 8 hours.

On-Screen Barcode Readability

The MT500L SBR (Screen Barcode Readable) laser scanner is equipped with a thin, sharp, class 1 laser aimer which helps users to accurately aim at barcodes. With the latest improved decode algorithm, MT500L not only ensures accurate barcode capture from low contrast to on-screen barcodes, but also provides consistent performance in both indoor and outdoor lighting conditions. Mobile point of sale and e-coupon application can therefore be accomplished with MT500L’s on-screen barcode readability.

protable barcode scanner

User-Friendly Design with HID interface

The HID interface of wireless technology adopted by MT500L wireless ring barcode scanner makes integration of barcode scanning into mobile devices easier than before. All it takes is simply few seconds of wireless pairing with user’s mobile device and the MT500L will work with all existing apps on Android or iOS devices.

Full Shift Battery Life

MT500L wireless ring barcode scanner saves more battery life and provide extended period of operation by adopting auto-adaptive illumination method, which keeps the illumination off in most of the cases and turns on only when it is needed in poor ambient light conditions.
wearable barcode scanners

Snappy and Accurate Scanning

The fast-pulse illumination and fast sensor shutter speed enable MT500L to decode barcode at a full 400 scans per second, delivering outstanding motion tolerance, ensuring workers who are constantly on the move to capture any barcode easily.

Reliable Data Security

Based on standard, the wireless uses AES 128-bit encryption to protect user’s data and utilizes 24-bit CRC calculation to prevent any interference when data is being transmitted from MT500L to the mobile host device.
Optical & Performance
Light Source
Red Laser beam with enhanced white LED
Linear image sensor
Scan Rate
400 Scans/Sec
4mil/ 0.1mm
Scan Angle
Print Contrast
Width of Field
130mm (13Mil Code39)
2MB (20,000 barcodes)
4 Mil Code39:50 ~ 70mm
5 Mil Code39:45 ~ 95mm
10 Mil Code39: 40 ~ 190mm
15 Mil Code39: 55 ~ 265mm
13 Mil UPC/ EAN: 50 ~ 225mm
Physical Characteristics
Dimension W27.6×L46.2×H26.8 mm
Weight 21g
Color Black
Material PC
Cable 1.5M (Mini USB Cable)
Trigger Touch Button
Indicator Buzzer, LED
Operation Voltage 3.7 VDC ± 5%
Working Current < 85mA
Standby Current < 45mA
Power Down Current < 200uA
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 + EDR (Class2)
Range 33 ft / 10m (line of sight)
Interface/ Profile BT HID
User Environment
Operating Temperature  0˚~50˚C
Storage Temperature  -20 ~ 65˚C
Humidity  0%~95%RH (Non-condensing)
Drop Durability 1.5M
Ambient Light 70,000 Lux (Fluorescent Light)
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 WEEE, RoHS 2.0, IEC 60825-1

* All Specifications are subject to change without notice.
ring barcode scanner
The MT500L is the smallest and lightest wireless ring barcode scanner on the market. The scanner is comfortable to wear and operate for long periods of time, and provides the user freedom of movement to perform barcode scanning tasks quickly and safely, while keeping both hands free. Thanks to its built-in tough buttons control, the MT500L wireless ring barcode scanner can be triggered by only one tap on the side. Its low profile, hands-free design reduces interference and improves mobile operators transaction time.

bluetooth barcode scanner Built with a high sensitivity sensor inside and the latest decode algorithm, the barcode scanner operates at a maximum speed of 400 scans per second, and can easily read barcodes on literally any surface and in almost any environment. It can also conduct off-line operation where up to 20,000 barcodes can be stored in its 2MB built-in memory and allows user to quickly access memory data in user-friendly file format.

The MT500L wireless ring barcode scanner adopts the latest wireless technology for communication, and is compatible with smartphone and tablets based on Apple iOS or Google Android. With full compatibility to wireless devices and direct USB data transmission, MT500L fulfills the most complicated requirements of logistic and warehouse management.


patent  Patent
M 395218
US 8,220,712 B2
US 8,770,845
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  • MT500L User's Manual
  • MT500L Quick Guide
     Ver 1