2.4ghz voice control four axes hd camera aerial photography drone wifi fpv headless mode one-button return gravity sensor charging time: about60min flying time: about10min frequency: 2.4ghz channel: 6ch flight distance: 150-200m copter battery: 3.7v 650mah li-poly control battery: 4 xaa battery (not included) function: hd camera,wifi transmission,one key return, headless mode,360 degree rolling, keeping attitude flying, trajectory flight, speech control, gravity sensor, speed adjustment color: black, white, red,