amänō, Your phone's perfect mate
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What comes in the box?

  • One amänō with peel and stick adhesive.
  • One isopropyl wipe to clean the surface of your device.
  • One extra adhesive.
  • One quick start informational guide.
360 Degree Rotation
amänō is comprised of a series of concentric rings, hence our company name, Bullz-i. The outer ring attaches to the back of your device. The inner ring folds up and rotates a full 360 degrees on the middle ring, allowing for a wide range of hand and finger positions, so you can effortlessly change the orientation of your phone or device, all while never having to remove your finger from amänō.  
Slim Design
amä is very slim at 3.7 mm, which is roughly ½ the height or less of a typical mobile phone. When not in use, the inner ring folds down allowing you to easily slide your phone or device in and out of your pocket or to simply lay it flat on a table.

Aluminum build
Aluminum is light and strong. It complements the style of mobile devices, resists corrosion, and allows for color anodizing and laser etching as we expand our design offerings in the future.  amänō is polished, hard anodized, and laser etched for a stylish finish.  Aluminum is 100% recyclable.  


Diameter: 40 mm
Height of amänō : 3.5 mm
Height of amänō with adhesive: 3.7 mm
Thickness of inner ring: 3.0 mm
Inside diameter of inner ring: (Bigger than a 13.5 size ring) 18 mm



The 3M Adhesive specifications below are the manufacturers specifications for optimal adhesion.  Full functionality is achieved on application, but some surfaces will only become fully secure after the recommended time.


Bond strength in 15 minutes, 72 hours,  in oz/in:

SS  155, 170

PC  165, 180

ABS  145, 155

PP  155, 175

Purpose of above is to show strong instant adhesion but on some surfaces full curing for 72 hours will provide the best connection.  One example would be Samsung Galaxy S6 phones with the super slick nano coating.

Temperature Resistance:  Long Term (days, weeks)

250 F or 121 C

Temperature Resistance: Short Term (minutes, hours)

300 F or 149 C

U.V. Resistance:

Adhesive is resistant to oxidation and ozone when exposed to air or ultraviolet light.

Application Techniques:

Bond strength is dependent upon the amount of adhesive-to-surface contact developed.  Firm application pressure helps develop better adhesive contact and improve bond strength.  To obtain optimum adhesion, the bonding surfaces must be clean, dry and well unified.  Some typical surface cleaning solvents are isopropyl alcohol or heptane.

Environmental Performance

Humidity Resistance: 

High humidity has minimal effect on adhesive performance.  No significant reduction in bond strength is observed after exposure for 7 days at 90F, 32C, and 90% relative humidity.

Water resistance:

Immersion in water has no appreciable effect on the bond strength.  After 100 hours at room temperature, the high bond strength is maintained.

Temperature cycling resistance:

High bond strength is maintained after cycling four times through:

4 hours at 158F, 70C

4 hours at -20F, -29C

4 hours at 73F, 22C


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