Product information:
Power type: lithium battery
Color: white single label, pink single label, Blue single label, white double label, pink double label, Blue double label
Frequency range: 100HZ-20KHZ
Rated Voltage: 5V
Additional functions: card insertion, remote control, timing, and voice prompt
Rated Power: 5

Packing list:
1 * speaker+1 * microphone/1 * speaker+2 * microphone

Product Image: