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By certification 
Specification
Material: Aluminum Alloy
Color: Silver/ Rose red
Rated Speed: 0-20000rmp (adjustable)
Input Voltage Range: 110V/240V 50/60Hz
Output Voltage: DC 5V
Power supply: USB adapter or any USB port sources (USB cable included)
Adjustable speed control
Forward & Reverse switch
Feature
USB charging
It can be connected by computer, bank power, etc., you can be use anytime, anywhere, without worrying about going out or power supply to charge.
Low heat & Quiet
Efficient heat dissipation, slight vibration, the good quality
Practical appearance
Mini pen shape and compact, easy to hold and operate, takes up very little space and easy to carry.
FAQ
1. Q: If samples available?
A: We are happy to provide samples to you. Our company policy is that you need to Pay for the sample charges for the first time cooperation.
2. Q: If OEM available?
A: Yes, we provide all of our products OEM If QTY is enough large.
3. Q: What are your company normal export terms?
A:We normally export with FOB.
http://www.ibnnail.com/
