Sennheiser CX890i is an earphone launched by Sennheiser at the end of 2012. The i behind represents the remote control designed for Apple. Sennheiser has designed a glass like enclosure, which claims to bring better sound insulation. Three sets of ear muffs of different sizes and a headset storage bag are standard.

The current quotation of Meiya white model is 58.15 US dollars, which is the historical low price, equivalent to about 360 yuan, and the purchase price is about 430 yuan. JD of the same model in China quoted 699 yuan, and the price of overseas shopping has advantages. Students who want to replace the plain Xiaobai can consider starting with it.