Sony MDR-ZX550BN Quick Start Guide

To pair your Sony MDR-ZX550BN with a Bluetooth device, ensure the headphones are turned off. Press and hold the power button until the indicator light starts blinking in red and blue alternately. Enable Bluetooth on your device and select "MDR-ZX550BN" from the list of available devices.
If your headphones are not charging, first ensure that the USB cable is properly connected to both the headphones and a power source. Try using a different USB cable or charging adapter. If the problem persists, check the charging port for any debris or damage.
To reset your Sony MDR-ZX550BN headphones, turn off the headphones, then press and hold the power button and the noise-canceling button simultaneously for about 7 seconds until the indicator flashes four times.
The Sony MDR-ZX550BN offers approximately 25 hours of continuous music playback on a full charge with noise canceling on. Battery life may vary depending on usage and settings.
To improve audio quality, ensure a good Bluetooth connection and that your device's audio settings are correctly configured. Use high-quality audio files and consider using the headphones' noise-canceling feature to reduce background noise.
To clean your headphones, use a soft, dry cloth to gently wipe the exterior surfaces. Avoid using any solvents or alcohol-based cleaners. For the ear pads, use a slightly damp cloth if necessary, and ensure they are completely dry before use.
No, it is not recommended to use the Sony MDR-ZX550BN headphones while charging, as it may affect the charging process or the headphones' performance.
If there's no sound, first check if the headphones are properly paired with the audio source. Ensure the volume is turned up on both the headphones and the device. If the problem persists, try resetting the headphones and reconnecting them to the device.
When the noise-canceling feature is active, the indicator light on the headphones will be lit. You might also notice a reduction in ambient noise, which is a sign that the feature is working.
The Sony MDR-ZX550BN does not support multipoint connectivity, meaning it cannot connect to multiple devices simultaneously. You need to disconnect from one device before connecting to another.