Specification:  Item Name: Mini Drone;  Color: Grey/black(Optional);  Frequency: 2.4G;  Drone Battery: 3.7V 1800mAh Lipo Battery;  Charging Time: About 60mins;  Flight Time: About 15mins;  Remote Control Distance: about 100m;  Camera: 4K;  Remote Control Battery: AA battery *3(Excluded);  App Name: WiFi Cam;  Product Size:  15×15.5×5.5cm(Folding);  23.5X23.5X5cm(Unfolding);  Package Size: 20X8X26cm.     Features:  - Mini foldable drone,easy to carry and easy to fly.  - Modular battery, up to 15 mins of battery life.  - Dual cameras freely switch the angle of view.  - Optical flow positioning hover.  - Headless Mode,no need to adjust the position of aircraft before flying.  - With wifi function, you can connect APP to take photos, record videos and transmit images in real time through the cellphone camera.     Function:  Up/down, Forward/backward, Turn left/right, Sideward flight, Optical flow positioning, Smart follow, Gesture photography, Headless mode, One-key takeoff/landing, One-key return.     Package Included:  1 x Drone;  1 x Battery;  4 x Proepller;  4 x Protective Guard;  1 x Screwdriver;  1 x Charging Cable.