GameSir, Video Game Controller, models:

C2	User Manual
F3	User Manual
F4 Falcon	User Manual
G3	User Manual
G3f	User Manual
G3s Enhanced Edition	Manual
G3v	User Manual
G4 pro	User Manual
G4s	Instruction Manual User Manual
GameSir T6	User Manual
GameSir-G3s	User Manual
GameSir-G3w	User Manual
GameSir-G4s	User Manual
GameSir-T1s	User Manual
M2	User Manual
Remapper A3	User Manual
T1	User Manual
T1d	User Manual
T1s Advanced Edition	User Manual
T3	User Manual
T3S	User Manual
T4 pro	User Manual
X3 TYPE-C	User Manual
i3	User Manual