Application：
1.Telecommunication: cellular phone, web phone, interphone, Bluetooth earphone.

2.Portable office devices: Notebook, PDA, portable electrograph, portable printer. 

3.Video devices: GPS, digital camera, camcorder, portable DVD, portable television, MP3, MP4. 

4.Portable exchange devices: POS, Handy, Fingerprint machine, portable stock machine. 

5.Illuminate devices: miner lamp, searchlight.

6.Others: toys, models.