With the super chip A13 and the lowest price-performance ratio of 3299 yuan, the pre-sale of Apple iPhone se2 is extremely hot. When we first started with a new mobile phone, most of us would choose to bring a tempered film...

Recently, a new emerging technology of gallium nitride has attracted a wave of heat to the charger, and the gallium nitride charger has been rapidly adopted by manufacturers due to its small size and high efficiency. So what is gallium nitride...