The Thunder X is compatible with most Bluetooth enabled devices including Apple products like iPhones and iPods, most Android devices, and other smart devices for simple wireless audio streaming.8W Total output offers bold sonic output. Experience your music in full-bodied stereo realized through high-performance drivers.Built-In Rechargeable Lithium-Ion battery. Provides extended playback, enables you to stream music for up to 4 hours on a full charge. With a charging time for 2 hours.Enjoy Multiple ConnectivityRocker Thunder X features Bluetooth connectivity with the latest 5.0 and a range of 10 meters, an onboard USB reader, and a Memory card slot to play music files or plugin any device the 3.5mm AUX cable. Tune in to your local stations. With built-in FM receiver, you can tune into all your local red hot music stations.