MT581W 2D Ring Scanner

Hands-free 2D Scanning at Fingertips

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

2d finger bracode scanner

Right and Left-Handed, With or Without Glove

MT581W 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. MT581W 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 latest decode algorithm, MT581W makes it possible and easier for user to scan barcodes on reflective surface such as smartphone screen. With 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 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 bracode scanner

Preventing Occupational Injury

Weighing at 14g, MT581W 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, MT581W as the most lightweight ring scanner, plus the patented double strap design 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.

2D ring barcode scanner

Increases Mobile Productivity

Keeping both hands free while enabling user the capability to capture 2D barcodes and validate data instantly, MT581W 2D wearable scanner enhances mobility and flexibility to the fullest when operating with Mobile Platform. This hassle-free condition allows user 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 MT581W is completely safe for human eyes even after long hours operation. With built-in buzzer and LED, MT581W provides full variety of Good Read responses such as audible and visual feedback. MT581W is shipped with three spare Velcro straps which are easily to be replaced for individual user to prevent infection.



Optical & Performance
Light Source White LED
625nm visible red LED
Sensor 640 x 480 pixels
Scan Rate 60 Frames/Sec
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 Ring Scanner Datasheet
  • Document
    MT581W Quick Guide v1
  • Document
    MT581W User Manual v1.1