Name: Mobile phone RFID Reader(125khz)
Model: R65D
Operating frequency: 125KHz
Support card: EM4100 TK4100 125KHZ ETC
Operating system: Android (need to support OTG),Windows
Size (without interfaces): 35mm × 35mm × 7mm
Package size: 71mm × 71mm × 19mm
Reading distance: 0-30mm (front / rear reading); 0-10mm (side reading)
Reading Time: <0.5s
Reading interval: 0.3S
Communication Interface: mirco USB Interface
Operating Voltage: 5V
Operating Current: 100mA
Weight: 50G
Working temperature: -10 °C ~ 60 °C
Humidity: 5% ~ 95%
Status Indicator: dual LED ( "blue" --- power indicator,  "green" --- status  indicator)
Application: Attendance member management etc.

1. Connect with computer or Phone through USB interface(Phone needs to open the OTG function).

2. Open the software/APP, such as notepad word document or Excel sheets,Message.

3. Click the mouse in Notepad or WORD document.

4. Put the rfid tag on the top of reader, the software will display a data(card number) of the tag.

Package List:
1 * 125KHz Mini RFID Reader
1 * TK4100 Card