1. A joystick designed specifically for RoboMaster S1 that connects to a mobile device running the RoboMaster App, allowing simultaneous control of RoboMaster S1 operations via the joystick and RoboMaster App.
2. The grip is equipped with 4 physical buttons for shooting, custom skills, random skills, and overheat cooldown, and supports an external mouse and keyboard for a better operating experience.
3. Retractable mobile device clip design, compatible with mobile devices from 14 to 24 cm in length (up to 9.7-inch iPad).
4. Dedicated joystick for better control.

Specifications:
1. Internal battery: 3.6 V, 2600 mAH, 1S1P
2. Battery life: about 2 hours
3. USB port power supply current/voltage: 500m A/5V
4. Charging time: about 2 hours
5. Operating ambient temperature: -10~45 degree Celsius
6. Charging ambient temperature: 0~40

Packing list:
Game controller × 1
Micro USB connection cable × 1