Specification:

• Frequency Range : 258.5 - 266.5MHz

• Modulation Method : FM

• Frequency Response : 20Hz~20KHz

• Dynamic Range : >100dB

• Audio Output : 0-300mV

• Receive Power Voltage : 18650 lithium battery (3.7V/1200mA)

• Receive Working Current : <120mA

• Receive Working Hours : 7~8 hours

• Power Supply Mode : 18650 Lithum Battery

• Transmitter Power Voltage : dry battery *2(1.5V)

• Transmitter Working Current : <120mA

• Transmitter Working hours : 3~4 hours