GameSir T1d Bluetooth Controller for Tello – APPSolute
Amazon.com: GameSir T1d Bluetooth Controller for DJI Tello Drone iOS 9.0+ Android 4.4+ Remote Controller Joystick with a Micro-USB for Charging, 600 mAh Built-in Battery : Video Games
Tello + Gamesir T1D Set-up | D1 Store - YouTube
GameSir Remote Controller for Ryze Tello Drone - Newegg.com
Ryze GameSir T1d remote control for DJI Tello - Drone Parts Center