Bluetooth 2D Ring Barcode Scanner EF02

Effon EF02 Bluetooth Ring Scanner is the first indutrial IP65 ring scanner, providing extreme comfort.

Product Type: Ring  QR  Scanner
Scan Engine: SE2707, SE4710, supports 2d / 1d barcodes
Battery Capacity: Removable & Rechagrable 550mAh
Industrial Features: IP65, shockproof
Compatibility: Android / IOS / Windows

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EF02 2D wearable ring barcode scanner with memory connect with the watchband armband, which is designed for logistics and warehouse management. You can wear it on your finger to free up your hand to handle materials, goods, and packages while scanning, it is very comfortable to wear it in a whole working day, and can even improve 25%-30% overall productivity. EF02 ring QR scanner is a new generation scanner for mobile scanning, picking and sorting application.

With BT 4.0 (BLE) function, the EF02 ring scanner supports Bluetooth HID, SPP (Master/Slave) and BLE connecting, including NFC connection.


The rugged design of the EF02 makes any supported mobile device and PC ready to meet the challenges of the most demanding environments. The industrial-grade housing can handle up to 200 drops from 1.5 meters onto concrete. Withstanding at least 15 times Tesla Model3 Rolls

Excellent Button
Branding scanning button and rotation button enhances ring scanner's durability .

Flexible Battery Design
There is a switch off / on for the battery cover, which makes it very convenient to remove the battery .

Battery Capacity
550mAh replaceable battery, supporting more than 11 hours work after full charge; Charging time: 2 hours.

Customized one-to-many connectivity
One Bluetooth charging cradle at least allows one PC to connect with at least 5pcs ring scanners

Splicing charging cradle

Charging up to 5pcs ring scanners in parallel at the same time

Optional Charging Cradle 
1. Bluetooth adapter & Charging Stantion

2. Charging Stantion

NFC Connection
Just tap for instant pairing: with NFC, workers can simply tap the EF02ON NFC-enabled android devices. No need to scan a pairing barcode or open Bluetooth settings to identify and select the device.

Customizable Service
Choose from one-finger/two-finger ring or cut-resistant glove form factors, as well as resistant glove form factors, as well as software and hardware redesign options; Standard or Advanced versions available to fit workflow needs.

 Technical Parameters

Product name Bluetooth Barcode Reader
Model name EF02
Dimensions 55.0×39.2×51.2 mm (L×W×H)
Weight 65grams
Material Polycarbonate housing with overmold( PC+TPU)
Electrical Power: DC5V/1A;Operating Current Typical: 300mA
MCU ARM Cortex 32bit 
Data storage 100KB for offline mode: 6000 15 bytes barcodes(Other flash is optional).
Working mode Bluetooth mode, offline mode, RS232 mode(optional),USB Keyboard(optional)
Communication Bluetooth HID, SPP, BLE(optional) with 30M distance,  Support NFC pairing, RS232 cable(optional)
OS IOS, Android, Windows, Mac, linux
Battery power Capacity 550mAh
Standby > 30 days
Charge time 2 hous
Duration Continuous trigger
scanning interval
Decoding number Working time
1S 16800 4.7hours
5S 6400 8.9hours
10S 3700 10.3hours
Scan Engine SE2707 □SE4710 □EM1350 □SE965
Scan mode Manual mode, Continuous, Host, Sense mode
Ambient illumination 0107,639 lux
Scanner performance Sensor Type 640 (horizontal) × 400 (vertical) pixels
Light 610nm LED(Aiming LED), 660nm red LED(Ilumination)
Scanner Angle ±60°,±60°,±360°(skew, pitch, Roll)
Field of view Horizontal: 42° , Vertical: 28°
Contrast ≥20%
Barcode Type 1D UPC-A, UPC-E, UPC-E1, EAN-8/JAN-8, EAN-13/JAN-13, Bookland EAN, ISSN EAN,Code 128, GS1-128(formerly UCC/EAN-128), ISBT 128, Check ISBT Table, Code 128 Reduced Quiet Zone, Code 39, Trioptic Code 39, Convert Code 39 to Code 32, Code 32 Prefix, Code 39 Check Digit Verification, Code 39 Full ASCII, Code 39 Reduced Quiet Zone, Code 93, Code 11, Interleaved 2 of 5, I 2 of 5 Readuced Quiet Zone, Discrete 2 of 5, Codabar(NW-7), CLSI Editing, NOTIS Editing, MSI, Chinese 2 of 5, Matrix 2 of 5, GS1 DataBar-14, GS1 DataBar Limited, GS1 DataBar Expanded, Convert GS1 DataBar to UPC/EAN/JAN, Composite CC-C, Composite CC-A/B, Composite TLC-39, GS1-128 Emulation Mode for UCC/EAN Composite Codes
2D PDF417, MicroPDF417, Code 128 Emulation, Data Matrix, Maxicode, QR Code, Micro QR, Aztec, HanXin, US Postnet, US Planet, UK Postal, Japan Postal, Australia Post, Netherlands KIX Code, USPS 4CB/One Code/Intelligent Mail, UPU FICS Postal
Decoding depth & Max. Resolution
(1 mil = 0.0254 mm)
Code 39 51mm -162mm (5mil);
Code 128 63mm -127mm (5mil);
PDF417 63mm -160mm (6.6mil);
PDF417 45mm - 228mm (10mil);
100%UPC 50mm -317mm (13mil);
Code 39 50mm - 495mm (20mil);
Data Matrix 38mm - 343mm (20mil);
QR Code 38mm -279mm (20mil).
Certificate CE, Rohs, FCC, IP65, IEC, EC/EN60950, EC/EN62471
Environmental parameters Drop resistance Pass 200 times 1.5m drop test
Tumble Spec. 2,000 3.28 ft./1m tumbles
temperature Operating : -5°C to 50°C
Storage: -20°C to 60°C
Humidity 5% to 90% (non-condensing)

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