Portable Tube Headphone Amplifier
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Related Faq
Q
How does this locking method (eccentric tube design) compare with the plate buckle and knob?
A
While the eccentric tube structure obtains better portability, there are some disadvantages in terms of stability, reliability and safety compared to knob or trigger locking methods. When using, make sure the locking is in place before using. 
Q
Does it take portable batteries as well? Or you must charge it?
A
The battery is built-in and it lasts long for a single charge. 
Q
What is the optical magnification of this portable microscope?
A
Our product is a digital microscope, 1000X is a magnification that combines optical and digital zoom. 
Q
Is there a headphone app I can't find?
A
No, there is no tracking app for that. Just connect it to the Bluetooth configuration. 
Q
What is the diameter of tube leg?
A
Diameter of the tube leg is from 19mm to 28mm. 
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