Relasing Sine-Wind 3.0. 正弦之风3.0发布。
comparing with 2.2,it'smore perfect.
与2.2版本相比，更加完美。
Selecting and using green material and stalth material.
采用绿色材料和隐形材料。
adopting new shell design sail cap design.
采用全新的外壳及翼壳设计。
Using a more prowerful motor.
使用了更强力的动力装置。
Its effective distance is there time than 2.2's.
其有效距离是2.2版本的3倍。
Its intensity is there time than 2.2's,too.
其风力强度也是2.2版本的3倍。
It's easy to replace the batteries.
易于更换电池。
