New  Active Teaching and Learning System in 2014

1. Portable handheld type, support belt-clip and neck - hang.

2. Rechargeable Li-Battery built-in. ( continually working over 8 hours)

3. USB interface for charging 

4. LCD screen shows channel, volume, power and charging status.

5. Supporting both internal and external microphone input.

6. Noise elimination circuit designing

7. Build-in Laser pointer

8. Build-in double high sensitivity internal microphone, satisfying on voice pickup.

9. MP3 player built-in.

10. Mute function automatically when no signal and weak signal.

11. Unique PPT page up and down function, best parner with projector, multi-media classroom screens for demonstration.

12. Strong in anti-interference, supporting over 100 classroom using simultaneously and never crosstalk.