1.Mini Speaker
2.Colorful LED light
3.FM function
4.Support TF card
5.Portable Speaker
Technical parameters:
1. Output: RMS 3W.
2. Frequency response: 90Hz~20KHz
3. SNR: >85dB.
4. Impedance: 4 ohm.
5. Power supply:  550MH Lithium battery.
6.Charging power supply:USB 5V
7. 40mm internal magnetic, high- quality aluminum and iron  boron speaker.
8. Built-in rechargeable lithium battery, when the maximum playing, support for 2 hours.
9. Colorful LED light.
10. USB charging.
11. FM radio,  Auto search.
12. Support TF card, mobile phones, computers and  other external sources.