1. Compatible with all Bluetooth enabled devices such as Apple iPhones, iPad, Samsung Galaxy, Android smart phones, tablet PC, computers Smart phones PC and Tablets
2. Built in microphone for hands-free calls or voice chat
3. FM Radio function..You can plug this speaker to any AUX (speaker) interface such as MP3 player/MP4 player/laptop/computer and work as wired speaker without Bluetooth function. The sound quality is the same