Transmitter powered by 1 x 1.5V AAA (not included)

Receiver Size: about 98 x 63 x 28 mm

Receiver powered by 6F22 9V (Not included)

Frequency: 80-12500HZ

Effective range: 20m

Overall length: about 95 cm

Transmitter size: about 105 x 40 x 14 mm

Easy to carry

Offer good audio quality

Lightweight, mini size

Output: 600 Ohm

Great for teacher, lecturer, scholar, etc.

Package included:

1 x Receiver

1 x Transmitter

1 x Clip on mic

1 x English user manual