HD Stereo Sound with Deep Bass & Clear Left/Right Channel Separation Built-in Microphone with Multi-Function Button for Music & Calls 10mm Dynamic Drivers for Powerful & Balanced Sound Durable Tangle-Free Wire with Sleek Matte Black Earbuds Compatible with All Smartphones & Tablets with Type-C Port (Android) Ergonomic In-Ear Design for Comfortable Long-Time Use Warranty valid only for new product; new piece will be provided if faulty