1) For the Wii, expand the HDMI output

2) Support 720p and 1080p image output

3) Signal non-destructive direct to the display

4) For the Wii, expand headphone interface that can straightly connect to speakers or headphones

5) No external power supply, plug and play

6) The shape is small and delicate, less space

7) Size: 73 x 37 x 20mm

8) Weight: 24g