Xeneo X21 speaker delivers amazingly immersive, clear stereo sound. 15W output and dural passive radiators enhance your listening experience. Built-In mic, Hands-free calling Support Bluetooth, Micro Sd, Aux-In FM radio Carrying case included for added durability. Strong FM reception, can search and save all available stations in your area, picks up station reliably and clearly, and can listen to the radio through a quality sound speaker indoor and outdoor. Bluetooth 4.2 supports any Bluetooth device, you can easily sync up your device. Perfect size fits well into any environment. You can take it anywhere or toss it away into your backpack for camping, biking, and hiking.