Sunvito V4.1 Mini Bluetooth Earbud Smallest Wireless Invisible Headphone Speakerphone with 6 Hour Playtime Car Headset with Mic for Smart Phones Cell Phone (Rose Gold Tone) [Small and Portable]- Wear comfortable, hidden, suitable for a variety of scenes. A well-designed carrying case is also provided to store earbud and accessories [Multipion Connection] - At the same time connect 2 mobile phone [Bluetooth 4.1]- Compatible with all Bluetooth-enabled devices. Press botton for 5-7s until thenblue LED indicator flashes, enter into paring mode automatically. Instantly connected to your smartphone or tablet from up to 33 feet away [Clear Audio] - Clear audio offers ample sound and helps the other party hear you clearly. Enjoy music, take hands-free calls, listen to podcasts, audio books and more [One-Button with Multi-functionOne-button design to answer/end calls, play/pause music, play next song, pretty easy to use. Our Headphones are widely compatible with most of Bluetooth-enabled devices, such as iPhone 6 7 X 8 Plus, Samsung, Tablets and Laptop, etc