Product information:

• Power type: lithium battery 
  
• Color: M9 dual speaker -- white, M9 knob-black, M9 touch-black, M9 touch-White 
  
• Frequency range: 100HZ-20KHZ 
  
• Rated Voltage: 5W 
  
• Additional features: card insertion 
  
• Rated Power: 6W

Packing list:
loudspeaker box*1+Charging line*1