Product information:
Power type: lithium battery
Color: white (single wheat), Pink (single wheat), Green (single wheat), light yellow (single wheat), White (double wheat), Pink (double wheat), green (double wheat), light yellow (double wheat),
Frequency range: 60Hz-15KHz
Rated Voltage: 5
Product Size: 40*40*123mm (microphone)/115*60 * 75mm (speaker)
Rated Power: 5