X-Vista Ultra-Portable Wireless Bluetooth Speaker,Built in Mic for Hands Free,Compatible with Phone/Tablet/Mp3 Player with Bluetooth Capability,Multifunction Speaker FM Radio/Clock/Alarm Clock,Green Advanced audio performance delivers a full-range listening experience. It can be used as FM radio and clock. Rechargeable battery plays up to 5 hours. Equipped with a built-in microphone which has the call hand-free function. The most compact wireless speaker easily goes where you go. Supports the TF card storage capabilities. FCC certificated, with one years Warranty. Wirelessly connects to your Bluetooth device. Supports wireless music streaming via Bluetooth 3.0 technology. Compatible with the most Android/ iOS Bluetooth product.