By Kenny Chee
For $1,500, remote-control (RC) fans here can buy a mini-helicopter that can fly as high as 1km, go on autopilot and take pictures or film videos in the air – more–>
For $1,500, remote-control (RC) fans here can buy a mini-helicopter that can fly as high as 1km, go on autopilot and take pictures or film videos in the air – more–>