How to divide the IP waterproof level of earphones
How to divide the IP waterproof level of headphones? The IP waterproof level can be divided into 8 levels. Waterproof Wired Earphones ， Let's see how these 8 levels are distinguished? IPX1: stands for vertical dripping, dripping in the vertical direction has no effect, the water flow is 1mm/min, and the test is 10min. IPX2: 15 degrees of water dripping, when the vertical surfaces of the housing are inclined within 15 degrees, the vertical dripping water should have no harmful effect, the water flow is 3mm/min, and each inclined position is 2.5min. IPX3: Each vertical surface is exposed to rain within a range of 60 degrees, without harmful effects, the water flow is 10L/min, and the test time is 10min. IPX4: splashing water, splashing water in all directions of the casing has no effect, each vertical surface is exposed to rain within a range of 180 degrees, the water flow is 10L/min, and the test time is 10min. IPX5: water spray, no effect on the shell in all directions, the water...