Features
The controller back button attachment provides small players with a more convenient and enjoyable gaming experience. It makes for the perfect gift for any gaming enthusiast.

Specification
Size: 4.53*3.74*1.97 in/11.5*9.5*5 cm
Weight: 0.6 ounces/17 g
Material: ‎ABS Plastic
Color: Black

Function Setting
1. Programming Function Setting: Press and hold the SET key for 2 seconds, the corresponding LED will flash fast (4Hz), then press the M1 or M2 key briefly, the LED will flash slowly on the corresponding function silkscreen (the order of lighting is ╳, ○, △, □, R3, L3, R2, L2, R1, L1), then press the SET key, then the corresponding function is mapped to the M1/2.
2. Cancellation function: Long press SET key for 5 seconds, the programming indicator LED changes from flashing to off, then the M1/2 function is cleared, at this time, the key has no programming function.
3. Programming key memory function: Insert the back key expander into the handle, if M1/2 has no function, the LED1 will flash slowly (2HZ) for 3 seconds and then go out, long press the SET key to enter the programming mode and then the LED1 will flash fast; if M1/2 remembers the last programmed function, then the corresponding LED will light up long time. If M1/2 remembers the last programming function, the corresponding LED light will be on. Power off to save the memory of the previous programming function; plug in the handle again to retain the last programming function, the factory default is no programming function.
4. Turbo Function Setting: Press and hold the function key and Turbo key at the same time, the function key will have Turbo function; press the above key combination again, the Turbo function of the key will be cancelled. If Turbo function is set, the LED corresponding to the function will flash fast (4HZ) after pressing the key.
&nb