General Features:

• Lightweight and portable
• Suitable for teachers, lecturers, speakers and presenters
• 30m operating distance (98.425 ft, approximate)
• FM modulation
• 80-12500 Hz frequency response
• 600 Ohms output impedance
• Clip-on belt on transmitter
• Transmitter operates by one 9V battery (included)
• Receiver operates by one AAA(or AA) battery (included)
• Product requires amplifier with a 1/4-inch microphone jack
• Packaged in an elegant gift case
• Color: Black

Specification:

• Transmitter Features:
• Volume control switch
• On/ off switch
• Power LED
• 3.5 mm microphone jack
• 
  Receiver Features:
• On/ off switch
• LED
• 1/4-inch plug

Package Includes:

• 1 x Wireless transmitter
• 1 x Wireless receiver
• 1 x English manual
• 1 x 95cm(approx.) clip-on lapel microphone w/3.5 mm jack
• 1 x One 9V battery
• 1 x One AAA(or AA) battery