MT581W 2D Wearable Scanner (EOL)

Hands-free 2D Scanning at Fingertips

A wearable scanner weighing at 14g, MT581W 2D Wearable Ring Scanner is the most lightweight in the world. When paired with the mobile platform, MT581W provides hands-free freedom to the user who needs to perform multi-tasks while always on the move. Drawing very little power from the host device, the MT581W wearable scanner ensures that the connected mobile terminal can operate for a full shift with a single charge.

Replacement Model iconReplacement Model: MT582W
2d finger bracode scanner
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Right and Left-Handed, With or Without Glove

Wearable scanner MT581W allows mobile operators to wear on either their right or left hand according to user's preferences, and the operator can wear gloves or don't. MT581W wearable ring scanner is designed to enable users to quickly capture any 1D & 2D barcode data in either printed or on-screen (LCD) format.

2d wearable barcode scanner

Mobile-Friendly Scanning

With enhanced optical design and the latest decode algorithm, MT581W 2D wearable scanner makes it possible and easier for users to scan barcodes on reflective surfaces such as smartphone screens. With the MT581W 2D wearable scanner adopted as barcode scanning device, users may expand their business into many new applications such as eCoupon, eTicket, Digital ID cards, and mobile payments.

2D ring scanner

Ergonomic Design for Mobile Operators

MT581W wearable scanner 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 increases operators' satisfaction.

MT584 2D Wireless Ring Scanner only 20g Preventing Occupational Injury

Preventing Occupational Injury

Weighing at 14g, the MT581W 2D wearable scanner is multiple times lighter than the counterparts of other brands. Since wearing a ring of over 20g for a long period of time may cause injury to the finger, the Wearable Ring Scanner MT581W as the most lightweight ring scanner, plus the patented double strap design shown in the 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.

2D ring barcode scanner

Increases Mobile Productivity

Keeping both hands free while enabling users the capability to capture 2D barcodes and validate data instantly, the MT581W 2D wearable ring scanner enhances mobility and flexibility to the fullest when operating with a Mobile Platform. This hassle-free condition allows users to stay more focused on the items he/she is handling, increasing productivity as a result.

wearable 2d barcode scanner

Better User Experience

As classified by Photobiological Safety Standard EN/IEC 62471 (Exempt Group), the light source of the MT581W wearable scanner is completely safe for human eyes even after long hours of operation. With a built-in buzzer and LED, MT581W ring scanner provides a full variety of Good Read responses such as audible and visual feedback. The Wearable Ring Scanner MT581W is shipped with three spare Velcro straps which are easy to be replaced for individual users to prevent infection.



Optical & Performance
Light Source White LED
625nm visible red LED
Sensor 640 x 480 pixels
Resolution 5mil (Code39)
6.67mil (PDF417)
Scan Angle Horizontal 42°
Vertical 31.5°
Pitch Angle ±60°
Skew Angle ±60°
Roll Angle 360°
Print Contrast 40%
Width of Field 146mm (13Mil Code39)
D.O.F (@ 800 Lux)
  • Code39
  • 5 Mil  : 31 ~ 160 mm
  • 13 Mil: 42 ~ 388 mm
  • QR Code
  • 15 Mil: 25 ~ 234 mm
  • PDF417
  • 6.67 Mil: 42 ~ 146 mm
  • Data Matrix
  • 10 Mil: 36 ~ 147 mm
Physical Characteristics
Dimension W27.6 x L46.2 x H26.8 mm
Weight 14g
Color Black
Material PC+ABS
Connector Micro USB
Cable 90mm (Interchangeable, Micro USB to USB Type C)
Trigger Touch Switches, Function Button
Indicator LED, Buzzer
Operation Voltage 5 VDC ± 5%
Working Current < 135mA
Standby Current < 15mA
Protocols USB HID
User Environment
Operating Temperature -20 ~ 55˚C
Storage Temperature -40 ~ 70˚C
Humidity 0% ~ 95%RH (Non-condensing)
Drop Durability 1.5M
Sealing IP42
Ambient Light 100,000 Lux (Sunlight)
Decode Capability
1D Symbologies Code128, EAN‐8, EAN‐13, UPC‐E, UPC‐A, Interleaved 2 of 5, Febraban, ITF‐14, ITF‐6, Matrix 2 of 5, Code39, Codabar, Code93, GS1‐128, GS1 Databar, Code11, ISBN, ISSN, Industrial 2 of 5, Standard 2 of 5, UK Plessey, MSI Plessey, AIM 128
2D Symbologies PDF417, QR Code, Micro QR Code, Aztec, Data Matrix
ESD Functional after 4KV contact, 8KV Air discharge
EMC/RF FCC Part 15B Class B, CE EN55024/32
Safety Approval EN/IEC62471 (Exempt Group)
Environmental WEEE, RoHS 2.0
Out Of Box
Cable Micro(M) to Type-C(M) Coiled Cable, 90mm, Black
(P/N: 7040-2231000, QTY: 1)
Velcro Strap Velcro Strap, Black
(P/N: 30G0-6539001, QTY: 3)
Taiwan M 547134
China ZL 2017 2 0127912.4
Japan 3211589
“ Need a custom product ? Please tell us your requirements. ”

* All Specifications are subject to change without notice.


  • Document
  • Document
    MT581W Datasheet
    2D Wireless Ring Scanner
  • Document
    MT581W Quick Guide v1
  • Document
    MT581W User's Manual v1.1