Easy to Pair: Bluetooth wireless technology allows for high-speed data transmission without interference is perfectly suitable for indoor or outdoor use</br>MP3 Player</br>Multi-function: Hands-free Calls?? TF Card Music Playing?? Volume Control?? LED light?? Bluetooth</br>Lights flash to Rhythm of Music</br>Lithium Rechargeable Battery</br></br>Product Description</br></br>Tube Light Bulb Loudspeaker?? MP3 Bluetooth Player?? Multicolor??Simultaneously tap the ends of the tube(silver parts) to change color mode lighting.</br><br/>http://www.amazon.com/gp/product/B01N1KQ3VA