Frequently Asked Questions

What is the size and weight of Mu tag? 

Thickness: 4.63 mm (0.1822 inches); Width: 15.49 mm (0.6098 inches); Length: 35 mm (1.3779 inches). Weight: 3 grams (0.1058 oz)

How can I get my money back?

It's very simple. Just return the product to us and no question asked. 

Who should I contact if I have any question?

Please email us at 

Is Mu tag rechargeable? How?

Yes. It has a built-in rechargeable battery. It can be recharged through our proprietorial Mu charger. 

Is my device compatible with Mu tag? 

As of January 2020, Mu tag is only compatible with iPhone 6 or newer with iOS 11 or newer. Android application is coming soon. 

 Is Mu tag water resistant? 


Where to download the iOS app? 
Great question! Here is the link


How long Mu tag lasts with a single charge? 

It lasts around 3 weeks with a 40-minutes charging time.  

How to charge Mu tag with Mu charger?

Please watch this YouTube video

How to use Mu holder? 

Please watch this YouTube video.

How to use Mu fob? 

Please watch this YouTube video

How to set up the Mu tag with informu app? 

Please watch this YouTube video.