Original Xiaomi Hanging Wireless Bluetooth 4.1 Earphone Headphone With Mic (Black) High-fidelity sound quality, Outstanding High, Clean and transparent Super brass Characterized by stylish design and advanced technology, The shell is integrally formed, anti oil spray technology Effective anti abrasion oil, after gently wipe Huanran such as new Lightweight: Compact and Comfortable earbuds, Portable And Easy To Carry Bluetooth 4.1,Superior compatibility, Compatible for almost all the mobile phone and Tablet etc