Specification:Dimension:20*20*20cmFlight time: 6-10 minutesFuel Source: ElectricFunctions: forward， backward， up， down， clockwise， and anti-clockwiseFeatures:Easy to fly， stable flight & flexible materialsSurrounding cage for added safety and built-in gyroscope formaximum stabilityOptimum charge time: USB charging about 60 minutes， flight time: 6-10 minutes， flight range: Up to 10MRecommended for indoor flight due to infrared frequencyAvailable in orange and blue colors， great for beginnersPackage included:1 x Helisphere with built-in 3.7V 180mAh Rechargeable Li-Po Battery1 x I/R Remote Control1 x USB Charger1 x Screwdriver1 x Spare Tail Blade1 x Instructions Manual6 x 1.5V AA batteries for Remote Control (NOT Included)