pTron Bassbuds B21 TWS Earbuds User Manual
- June 4, 2024
- pTron
Table of Contents
User Manual
Bassbuds B21 TWS Earbuds
Bassbuds B21 TWS Earbuds – Product Manual
Important: “Tron Bassbuds B21” is set at 50% default volume, and the
earbuds do not support volume adjustment. Please control the volume through
the connected phone.
Smart Power On & Pairing
- Open the charging case cap & take out both the buds from the charging case, buds will switch ON automatically.
- Wait for 2-3 seconds until L & R earbuds pair with each other.
- Turn on the Bluetooth on your phone & search “PTron TWS” to connect with the device.
Smart Power Off
Touch on TSA of either bud for 2-4sec Keep both the earbuds in the charging
case and close the cap properly.
Connectivity Bluetooth – Automatic
Open the charging case cap & take out both the buds from the charging case,
buds will switch ON. They will automatically connect to the last connected
device (Instant wake & pair technology).
Note: The last connected device must be in the 10-meter wireless range
and the Bluetooth function must be On.
Calling or Music through Mono & Dual Buds
Mono Bud Use – Just place the right or left earbud back into the charging case
and close the cap properly.
Dual Buds Use – Use left & right earbuds together.
Awaking Voice Assistant
Touch TSA on either earbud until a beep sound comes.
Call & Music Functions
Answer/Hangup a Phone Call – Touch TSA on either earbud once.
Reject a Phone Call – Double touch TSA on either earbud.
Music Play/Pause – Touch TSA on either earbud once.
Next Song – Touch TSA on the Right earbud twice.
Previous Song – Touch TSA on Left earbud twice.
Note: TSA stands for Touch Sensitive Area.
Charging the Earbuds
- Place both the earbuds into the charging case properly and close the Cap. The earbuds will power off automatically when placed into the case and close the cap it will start charging.
- While charging the earbuds the Green LED will flash constantly.
Charging the Case
- Connect the Type-C cable to the charging case and the USB end to a 5V power source.
- The Orange LED indicator will blink in the charging case when you keep charging the case for charging.
- When the charging case is fully charged, the Orange LED light will get steady.
NOTE: You can check the Orange LED light by opening the charging case cap.
Troubleshooting Scenario 1: One Earbud is Not Working
- Place both earbuds in the charging case and close the charging case cap.
- Take out both earbuds together from the charging case.
- Wait until L & R earbud pair to each other. After successful matching, only 1 earbud will flash Greenlight.
- Turn ON the Bluetooth on your phone, search for “Tron TWS” & connect.
Troubleshooting Scenario 2: Earbuds Not Connecting/Scanning
- Place both earbuds in the charging case and close the charging case cap.
- Take out both earbuds together from the charging case.
- Restart your Bluetooth device or phone.
- Now, search for “Tron TWS” on your Bluetooth device & connect.
Troubleshooting Scenario 3: Earbuds Disconnecting During a Phone Call
- Charge earbuds 100% before use.
- Restart the earbuds and reconnect with your device.
Safety Precautions
- Please keep this device away from extreme heat, liquids, humidity, or corrosive environment.
- Please don’t over-charge the product as it will decrease the service life of the battery.
- Using incompatible USB cables or high voltage chargers can damage the product & void the product warranty. We strongly recommend using a good quality DC5V-1A charger & the USB cable included in the package.
- This product or the Bluetooth function should not be used during charging.
- Don’t jam the ports such as the charger port, LED port, etc.
- It is recommended to utilize the product below the maximum volume in order to protect your hearing.
- Please don’t open/temper the product or the product’s battery.
- Please keep the product out of children’s reach.
- Dispose of the product responsibly and adhere to your local authority guidelines.
Disclaimer
The colors and specifications shown or mentioned in the user manual may differ
from the actual product. The images shown are for representation purposes
only. Other product logos and company names mentioned herein may be trademarks
or trade names of their respective owners.
Customer Care Details: [email protected] and
040-040-67138888
Product Registration/Warranty Registration: https://ptron.in/apps/product-
registration
Service Centers List: https://ptron.in/pages/ptron-service-centers