Our promise: 1. 100% original authentication guarantee 2. Fast delivery in 24h, we will deliver in 24h since the order is confirmed 3. Online 24 hour customer service staff 4. If you have any questions, including product quality and damage, please contact our customer service staff directly, and we will get back to you as soon as possible. 5. Track our store, will get a coupon Product Information 1. Material: ABS, TPE enameled wire; 2. Length: 1.2m, weight: 16g; 3. Speaker: 14.2mm 4. Connector: 3.5mm; 5. Microphone: with microphone controller; 6. Wire control: single button control, adjust the volume Product Features 1.Unlike traditional, circular earbuds, the design of the M55 is defined by the geometry of the ear which makes them more comfortable for more people than any other earbud-style headphones 2.The speakers inside the M55 have been engineered to maximize sound output and minimize sound loss, which means you get high-quality audio 3.The M55 earphones also include a built-in remote that lets you adjust the volume, control the playback of music and video, and answer or end calls with a pinch of the cord Package list 1 X Vivo earphones