what kind of bag is low-key for gifts?
When giving gifts, the main consideration is to show sincerity and respect, but not too ostentatious. Here are some suggestions: 1. Solid colorpaper bag: choose black, white, dark…
how to solve the low sound of the function machine?
1。 The volume setting of audio source or amplifier is too low. This is the simplest and most common reason, just turn the volumepotentiometer of the sound source…