Features: With high-tech BT 4.1 technology, and the data transmission will be more stable and faster. With imported English CSR chip, and it supports to connect with two phones at the same time. With NFC wireless technology: Just keep the headphone near the phones with NFC function, and then they finish pairing. Very easy to connect. Built-in noise reduction and echo cancellation, which will deliver top-notch sound and provide clear voice calls with zero distance. With intelligent voice reminder, it will be more convenient to use and will not miss any important messages. Combined with the latest technology of speech enhancement, which can be both used for listening to music and communicating. The BT headset is with LED light, very fashionable and attractive. Energy-efficient and long lasting battery life. Works with any BT-enabled phones, such as: for Android phones/other smart phones, etc.