Sony DR-BT21G Operating Instructions
![Sony DR-BT21G manual cover](/images/7402ab4226e2674da26be92a/thumbs/thumb175x175.webp)
To pair your Sony DR-BT21G headphones, first ensure that the headphones are charged. Turn them on by holding the power button until the indicator starts flashing blue and red. Activate Bluetooth on your device and search for new devices. Select "DR-BT21G" from the list and follow any additional prompts to complete pairing.
If your headphones are not charging, first check the connection between the charger and the headphones. Ensure the power outlet is working. Try using a different USB cable or charger. If the issue persists, the battery may need replacement or service by Sony.
Yes, you can use a Bluetooth transmitter connected to the headphone jack of the non-Bluetooth device. Pair the transmitter with your DR-BT21G headphones following the transmitter's instructions.
To reset the headphones, turn them off first. Then, press and hold the power button for about 15 seconds until the indicator flashes blue and red, signaling a reset.
The Sony DR-BT21G headphones provide up to 11 hours of continuous music playback or talk time on a full charge. Charging the battery fully takes approximately 2.5 hours.
To clean your headphones, use a soft, dry cloth to gently wipe the exterior. Avoid using water or cleaning agents. Store them in a cool, dry place when not in use to maintain the battery and material condition.
Ensure the headphones are properly connected to your device and within range. Check for any obstructions between the headphones and device. Try resetting the headphones or re-pairing them with the device. If issues persist, check for software updates or contact Sony support.
Yes, the Sony DR-BT21G headphones are equipped with a built-in microphone and can be used for phone calls. Ensure the headphones are paired with your phone and press the call button to answer or end calls.
Use the volume control buttons located on the right earcup. Press the "+" button to increase the volume and the "-" button to decrease it.
The Sony DR-BT21G headphones are not waterproof or sweat-resistant. Avoid exposing them to water or excessive moisture to prevent damage.