Controller Brand compatibility: DJI Proper use: Tank Plastic 1 pc(s) The PlayMore Kit includes one Gamepad, one Intelligent Battery, one Gel Bead Container, and one Bottle of Gel Beads, allowing you to make the most of your RoboMaster S1.Gamepad: Specially designed for the RoboMaster S1, this allows users to connect the S1 with a mobile device and use control sticks and physical buttons for launching and custom skills, enhancing the control experience during gameplay.Intelligent Battery: The 4.2 V high-voltage battery was specially designed for the RoboMaster S1. It uses three high-energy lithium-ion cells, and has a rated capacity of up to 25.92 Wh, providing a 35-minute operation time and a 100-minute standby time.Gel Bead Container: Capable of holding approximately 430 gel beads.Bottle of Gel Beads: Made of sodium polyacrylate, safe and non-toxic. It is recommended to use pure water to soak the gel beads at room temperature for three to four hours. Each bottle contains about 10,000