With this cable,you can use 3.5mm headphones for LeEco phones. It's only about 10cm,it's convenient to carry it. 100% brand new this adapter not compatible for all brand type-c mobile phone,i only can ensure it compatible for letv 2/ letv 2 / letv MAX2, 6 Mi6,other brand , please seach by yourself Dear friend,if your type-c mobile phone built-in 3.5mm earphone jack ,this adapter will not work,such as 4c 5 , P9 P10 ,please know befor buy Specifications: Adopt shielding design; exquisite craft; Made of superior environmental material, comfortable to touch; unique design; Strong anti-interference ability; great signal transmitting effect; Type-C USB 3.1 male to 3.5mm female audio adapter and charger cable for phone Package Included: 1*Type C Adapter Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.