• To charge the device, plug one end of the USB type-C cable into the device’s charge port and connect the other end to a computer or wall adapter.

1. Check to see if the charging wire being used is working – check to use another charging wire or try using the wire on another device.

2. Check if the voltage of the charger is correct for the device, use only 5V/2A chargers.

3. Check if the charging is done till the red LED turns OFF.

4. Check if the battery was not tampered with or exposed to any electrical damage.

5. Check if the charging port is not clogged with dirt. If so, please clean it with a cotton swab.

6. Please check if the adapter and charging cable support fast charging.

1. For optimal charging, use a wall adapter with specifications of 5V/2A.

2. The cable should be a standard cable with 35 strands @ 0.10mm diameter/strand.

3. Any other accessory can be used for charging the Headphones if the above norms are followed.

1. Go to the sound settings of your phone and set the equalizer to normal/ default/ none/ 0.

2. Perform a factory reset. If the Headphones are clogged with ear wax, simply clean the Headphones to restore the original sound.

3. In case the Headphones have water droplets, use the blow dryer to dry out any water from a distance (Caution - Prevent your product from overheating through the dryer).

1. Check if the connected device does not have any equalizer settings applied.

2. Check using different media players and different devices and whether the volume change happens on all devices or only on specific ones.

1. Check to see if the device has been properly charged first, till the red light turns blue.

2. Check if the voltage of the charger is correct for the device, use only 5V 2A Chargers.

3. Check if the device was not subject to any mishandling, broken wires or exposed to direct sunlight or hazards like fire.

To troubleshoot control issues:

1. Check if the controls do not work while being connected to another device.

2. Check if the media player being used supports such controls and if the controls do not function on a call or with other media players.

3. Check if the controls have been physically damaged or exposed to any hazards.

1. Try restarting the device.

2. Perform a factory reset.

3. Make sure there are no objects between your Headphones and your connected device.

4. Try moving your device closer to the Headphones to see if the connection improves.

5. Look closely at the microphone hole for any dirt or earwax. If the microphone seems blocked, gently clean that area.

1. Unpair/forget your Headphone from the connected device.

2. Press and hold both the volume ‘+’ and ‘-‘ buttons for 5 seconds at the same time to clear all paired devices.

1. When switched off, press and hold the multifunction button (MFB) for 3 seconds to switch the headphones on and put them into pairing mode.

2. The headphones will automatically enter in pairing mode with a prompt; the blue and red LEDs will flash alternatively to indicate the same.

3. Open Bluetooth on your device and search for ‘Rockerz 421’ in the list of available devices.

4. Once successfully connected, the headphone and phone get connected via Bluetooth indicated by slowly flashing blue LED.

1. Short press the Media Button once to receive an incoming call.

2. A tone will sound and the call will be answered.

1. Short press the volume +/- button in steps to increase or decrease the volume respectively.

2. There will be a ‘tone’ when the sound volume reaches its maximum or minimum level.

1. Short press the Media Button once to end an ongoing call.

2. A tone will sound and the call will be ended.

3. Double press the Media Button in the call ring status to reject the call.

4. A tone will sound and the call will be rejected.

• While playing music, short press the Media Button once to play/pause the music.

• Previous Track : While playing music, press and hold the volume (-) button for 1 seconds to move to the previous track.

• Next Track : While playing music, press and hold the volume (+) button for 1 second to move to the next track.

• Double press the Media Button.

1. Power On: The blue & red LEDs flash alternatively.

2. Power Off: The red will flash for 1 second and the device will turn off.

3. Auto Pairing Status: Red and blue LEDs light up automatically and enter the pairing state after flashing thrice simultaneously.

4. Pairing Successful: Once successfully connected, the headphone and phone get connected via Bluetooth indicated by slowly flashing blue LED.

• Rockerz 421 does feature low latency for all the entertainment needs. It is okay for casual gaming, but not professional gaming.

• Yes, it does.