1. Introducció
This manual provides detailed instructions for the GMBACK Enhanced Bluetooth Controller, Model B0CY57SHLF. This wireless game controller features Hall Effect joysticks for precise control, wide compatibility across multiple platforms, and customizable functions to enhance your gaming experience. Please read this manual thoroughly before use to ensure proper operation and longevity of your device.

Image 1.1: The GMBACK Enhanced Bluetooth Controller, showcasing its ergonomic design and illuminated joysticks.
2. Configuració
2.1 Càrrega del controlador
The controller is equipped with an 800 mAh rechargeable battery. Before initial use, fully charge the controller using the provided USB-C cable. Connect the USB-C end to the controller and the USB-A end to a compatible power source (e.g., computer USB port, USB wall adapter). The charging indicator will show the charging status and turn off when fully charged.
2.2 Emparellament amb dispositius
The GMBACK controller offers wide compatibility. Follow the specific instructions below for your device:

Image 2.1: Visual representation of the controller's compatibility with iOS, PC, Nintendo Switch, and Android platforms.
- Nintendo Switch/Switch Lite/OLED:
- On your Switch console, navigate to the HOME Menu.
- Select "Controllers" > "Change Grip/Order."
- Press and hold the SYNC button on the top of the GMBACK controller until the indicator lights begin to flash rapidly.
- Once paired, the player indicator lights on the controller will illuminate steadily.
- Windows PC (7/8/9/10/11) / Steam:
- Assegureu-vos que el vostre ordinador tingui el Bluetooth habilitat.
- Go to "Bluetooth & other devices" settings on your PC.
- Select "Add Bluetooth or other device" > "Bluetooth."
- Press and hold the SYNC button on the GMBACK controller until the indicator lights flash.
- Select the controller from the list of available devices to pair.
- Apple Devices (iPhone, iPad, Mac, Apple TV, Apple Arcade MFi Games):
- On your Apple device, go to Bluetooth settings.
- Press and hold the SYNC button on the GMBACK controller until the indicator lights flash.
- Select the controller from the list of available devices to pair.
- Android Devices (Phone, Tablet, Android TV, TV Boxes):
- On your Android device, go to Bluetooth settings.
- Press and hold the SYNC button on the GMBACK controller until the indicator lights flash.
- Select the controller from the list of available devices to pair.
3. Instruccions de funcionament
3.1 Hall Effect Joysticks and Triple Rocker Curves
The controller features Hall Effect joysticks, which use magnetic fields for input detection, providing enhanced precision and durability compared to traditional joysticks. You can adjust joystick sensitivity to suit different game scenarios and personal preferences.

Image 3.1: Diagram illustrating the internal mechanism of Hall Effect joysticks and their sensitivity adjustment capabilities for normal, shooting, and no dead zone modes.
3.2 Programmable Buttons (AR/AL)
The controller includes two programmable buttons (AR and AL) located on the underside. These buttons can be mapped to various functions or combinations of up to 25 buttons, allowing for personalized control schemes and macros. Refer to the Keylinker APP section for detailed programming instructions.

Image 3.2: Illustration of the programmable AR and AL buttons on the controller's underside, alongside the auto and manual turbo settings.
3.3 Keylinker APP Control
Download the dedicated Keylinker APP to unlock advanced customization options for your controller. The APP allows you to:
- Customize ABXY button assignments.
- Adjust RGB lighting effects and colors.
- Fine-tune joystick sensitivity settings.
- Create and manage Macros.
- Configure Turbo settings.

Image 3.3: Screenshot of the Keylinker APP interface, demonstrating options for joystick sensitivity, RGB lighting, and other controller customizations.
3.4 Turbo Modes
The controller supports both auto and manual turbo modes with three adjustable speeds: 5, 10, or 15 shots per second. This feature allows for rapid, repeated button presses, which can be beneficial in certain games.
- Turbo manual: Press the Turbo button and the desired action button simultaneously. Hold the action button for continuous turbo.
- Turbo automàtic: Press the Turbo button and the desired action button twice. The action button will automatically repeat without holding.
- Ajustar velocitat: Refer to the Keylinker APP or the controller's quick guide for specific button combinations to cycle through turbo speeds.
3.5 Vibració ajustable
Equipped with asymmetric dual motors, the controller provides haptic feedback with four adjustable vibration intensities. This feature enhances immersion across Switch, PC, phone, and TV devices.
3.6 6-Axis Gyro Sensor
For Nintendo Switch gameplay, the integrated 6-axis gyro sensor enables motion controls, offering an additional layer of interaction and precision in compatible titles.

Image 3.4: Visual explanation of the dual vibration motors and the 6-axis gyro sensor, highlighting their functions in gameplay.
3.7 característiques addicionals
- Llum RGB: Customizable RGB lighting around the joysticks.
- Funció de despertador: The controller can wake up a paired Nintendo Switch console.
- Captura de pantalla: Dedicated button for capturing screenshots during gameplay.
- ABXY Function Switching: Ability to swap ABXY button layouts for different platforms.
4. Manteniment
To ensure the longevity and optimal performance of your GMBACK controller, follow these maintenance guidelines:
- Neteja: Feu servir un drap suau i sec per netejar el controlador. Eviteu utilitzar productes químics agressius o materials abrasius.
- Emmagatzematge: Guardeu el controlador en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Cura de la bateria: Avoid fully discharging the battery frequently. Charge the controller regularly, even if not in use, to maintain battery health.
- Eviteu les gotes: Protegiu el controlador d'impactes físics i caigudes, que poden danyar els components interns.
5. Solució De Problemes
If you encounter issues with your GMBACK controller, refer to the following common solutions:
- Controller Not Connecting/Disconnecting:
- Assegureu-vos que el controlador estigui completament carregat.
- Verifiqueu que el Bluetooth estigui habilitat al vostre dispositiu.
- Try re-pairing the controller by holding the SYNC button.
- Move closer to your device to rule out range issues.
- If using with a Mac and experiencing intermittent disconnections, ensure no other Bluetooth devices are causing interference and try re-pairing immediately after the controller's lights start flashing.
- Botons que no responen:
- Check if the controller is properly paired.
- Reinicieu el controlador i el dispositiu.
- Assegureu-vos que no hi hagi obstacles físics que impedeixin prémer els botons.
- Joystick Drift:
- Calibrate the joysticks using the Keylinker APP if available.
- Ensure the joystick sensitivity settings are appropriate for your game.
- La vibració no funciona:
- Check vibration intensity settings in the Keylinker APP or device settings.
- Assegura't que el joc admeti la resposta per vibració.
If problems persist, contact GMBACK customer support for further assistance.
6. Especificacions
| Característica | Detall |
|---|---|
| Número de model | B0CY57SHLF |
| Marca | GMBACK |
| Connectivitat | Bluetooth sense fil |
| Tipus de palanca de control | Joysticks d'efecte Hall |
| Compatibilitat | Nintendo Switch (2/Switch/Lite/OLED), Apple (iPhone, iPad, Mac, TV), Android (Phone, Tablet, TV), PC (Windows 7/8/9/10/11), Steam |
| Capacitat de la bateria | recarregable de 800 mAh |
| Durada de la bateria | Up to 15-20 hours of gameplay |
| Vibració | Asymmetric Dual Motors, 4 adjustable intensities |
| Control de moviment | 6-axis Gyro Sensor (for Switch) |
| Botons programables | 2 (AR/AL), up to 25 button combinations |
| Modes turbo | Auto & Manual, 3 adjustable speeds (5/10/15 shots/s) |
| Pes | 11.7 unces (aprox. 331 g) |
| Dimensions | 6.54 x 5.2 x 2.72 polzades (aprox. 16.6 x 13.2 x 6.9 cm) |
7. Garantia i Suport
GMBACK is committed to providing high-quality products and customer satisfaction. Your GMBACK controller is covered by a standard manufacturer's warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the product packaging or contact GMBACK customer support.
For technical support, troubleshooting assistance, or warranty claims, please contact GMBACK customer service through the retailer where the product was purchased or visit the official GMBACK website. GMBACK strives to offer considerate after-sales service to meet user needs.