1. Size: 12cm 2. Weight: 3g 3. Audio plug: 3.5mm interface 4. Support microphone, wire control 5. Function: charging, listening to music, calling, etc. 6. Small and light, does not take up space, easy to carry 7. The braided wire body is flexible, pull-resistant and durable 8. Applicable to most models of Huawei, Xiaomi, OnePlus and other brands and some models of Samsung mobile phones, as well as iPad Pro / iPad Air with Type-C interface, etc.