1. -3.5M Bluetooth audio links without pictures (link Bluetooth complex operation, part bad, I'm required to provide a large number of wireless authentication protocol, resulting in cost and high cost price is not high).
2. No charge (Bluetooth Self-rod in the course of the need to carry charging cable, and battery life is limited, most likely because of the long journey out of power affect your beauty self-timer).
3. Plug and play, with a line of Android Apple Universal Self-lever system Android 4.2.2 above, if we can not use, download the camera 360 (camera 360), iphone ios5.01 above,
No need to download software directly to the audio cable into the phone port, you can control your camera phone market easiest self-timer shots.