Ecandy Portable Bluetooth Wireless Speaker With FM-radio, Micro SD MP3 Player, 12 hrs Music Streaming & Hands-Free Calling w/ Passive, 5W + 5W 52mm Driver Speakerphone, Built-in Mic, 3.5mm Audio Port, 5000mAh Rechargeable Battery for Indoor & Outdoor Use,Gold Crystal clear strong bass & passive sub woofer on both ends with 5W + 5W HD loud speakers & 2 x 52mm premium drivers for both active outdoor and indoor use Built-in 3.5mm audio line in and 5000mAh rechargeable battery allows X6 to connect to media devices WITH OR WITHOUT Bluetooth capability. Built-in microphone for hands-free calls and phone call back, Support telephone number reporting function Bluetooth 3.0 audio wireless connectivity with seamless streaming, up to 12 hours of playback time, from 33 feets of distance, reproduces high definition quality sounds seamlessly. Universal compatibility for Android, iPhone, iPad, tablets, smartphones, iPods, MP3, MP4, radio players, and other Bluetooth enabled digital players or media devices with aux port.