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