For presbyopia or nearsighted students, the resolution is getting higher and higher, which not only brings super fast visual effect, but also annoys small characters. It's really troublesome. This portable amplifier launched in Japan can enlarge the screen twice!

This portable amplifier can be used on any mobile phone through a clamp. By adjusting different angles and positions, it can provide a better amplification visual effect. When amplification is not required, this amplifier can also be placed behind and provide a certain degree of protection. Now let's take a look at the amplification effect. At least the author feels that the amplification effect is good.

This accessory can already be purchased in Amazon, Japan, for 1580 yen 。