📄 Original Source: boAt Official Support – Rockerz 203
boAt Rockerz 203
Neckband Earphones with ENx™ Technology & 60ms BEAST™ Mode

Immersive Everyday Audio
Rockerz 203 is engineered for performance, built to match your vibe – whether at the gym, grinding through work, or locked into your favorite game:
- 10mm Drivers – boAt Signature Sound
- ENx™ Technology – Clear voice calls
- BEAST™ Mode – 60ms low latency for casual gaming
- ASAP™ Charge – 10 min charge = 10 hrs playtime
- Dual Pairing – Connect two devices simultaneously
- Bluetooth 5.3 – Stable 10m connection
- IPX5 Water Resistant – Built for durability
Key Features at a Glance
🎵 40 Hours Playtime
Talk time and music playtime at 60% volume
⚡ ASAP™ Charge
10 mins charging = 10 hrs playtime
🎮 Gaming Ready
60ms low latency BEAST™ Mode for gaming
🔗 Dual Pairing
Connect two devices at the same time
Full Specifications
| Specification | Details |
|---|---|
| Type | Bluetooth Wireless Neckband Earphones |
| Bluetooth Version | V5.3 |
| Driver Size | 10mm × 2 |
| Music Playtime | Up to 40 Hours (at 60% volume) |
| Talk Time | Up to 40 Hours |
| Battery Capacity | 210mAh |
| Charging Time | Up to 50 Minutes |
| Charging Interface | USB Type-C |
| Frequency Response | 20Hz – 20kHz |
| Operating Range | 10 Meters |
| Water Resistance | IPX5 |
| Dual Pairing | Yes |
| BEAST™ Mode | Yes; 60ms Low Latency |
| ENx™ Technology | Yes |
| ASAP™ Charge | Yes; 10 mins charge = 10 hrs playtime |
Technology & Features
ENx™ Technology
Environmental noise cancellation technology that helps reduce background noise for clearer voice calls.
BEAST™ Mode (Low Latency)
Rockerz 203 supports 60ms low latency for entertainment and casual gaming, reducing audio lag. It’s not designed for professional gaming equipment needs.
ASAP™ Charge Technology
10 Minutes = 10 Hours of Playtime
boAt’s patented fast-charging technology provides exceptional battery efficiency (may vary by conditions). Use a Type-C 5V/2A adapter for effective ASAP™ Charge performance, and follow the charging norms in your user manual.
Dual Pairing
Connect Rockerz 203 to two devices at once. Pair to the first device, turn off both the earphones and that device’s Bluetooth, pair to the second device, then re-enable the first device’s Bluetooth to have both stay connected.
Multifunction Button (MFB) Controls
| Action | Function |
|---|---|
| Press & hold MFB (3 sec) | Power ON / Enter pairing mode |
| Press & hold MFB (5 sec) | Power OFF |
| Press & hold Volume Up + Volume Down together (5 sec) | Factory Reset / Clear paired devices |
| Short press MFB once | Play/Pause, Answer/End call |
| Press MFB twice | Reject call (during ring) |
| Long press MFB (1.5 sec) | Activate Voice Assistant (Google Assistant/Siri) |
| Press & hold Volume Up (2 sec) | Next Track |
| Press & hold Volume Down (2 sec) | Previous Track |
| Short press Volume +/- | Adjust Volume |
Note: The neckband automatically turns off if no pairing is established within 5 minutes of entering pairing mode.
Pairing & Connectivity
Initial Pairing
- Press & hold the MFB for 3 seconds to power on and enter pairing mode
- The blue and red LEDs flash alternately to indicate pairing mode
- Open Bluetooth settings on your device and search for ‘Rockerz 203’
- Select the device from the list; enter passcode 0000 if prompted
- Once connected, the blue LED remains solid for 3 seconds to confirm pairing
LED Indicator Guide
- Pairing mode: Red and blue LEDs blink alternately
- Pairing successful: Blue LED remains solid for 3 seconds
- Charging: Red LED remains solid ON
- Fully charged: Red LED turns OFF
- Factory reset successful: Red and blue LEDs flash alternately for 1 second
Charging & Battery
How to Charge
- Plug the provided USB Type-C cable into the earphones and connect the other end to a laptop, wall adapter, or power bank
- Use a 5V/2A wall adapter and a standard cable with 35 strands @ 0.10mm diameter/strand
- Full charge takes up to 50 minutes
- Red LED remains solid while charging and turns off once complete
- Note: The earphones cannot be used or switched on while charging
Troubleshooting Guide
Bluetooth Connectivity Issues
Earphones not connecting via Bluetooth
- Ensure Bluetooth is ON and the earphones are in pairing mode (alternating red/blue LED flashes)
- Confirm the device is within 10m range with no obstructions
- If prompted for a passcode, enter 0000
- Clear the pairing list with a factory reset
- Check for software issues on your phone; try forgetting the device or updating mobile software
One side not working or disconnecting frequently
- Clear “Rockerz 203” from your device’s pairing history first
- Press and hold Volume Up (+) and Volume Down (-) simultaneously for 5 seconds to clear paired device history
- Red and blue LEDs flash alternately for 1 second confirming a successful reset
Dual pairing not working
- Pair to the first phone as per usual procedure, then switch off both the earphones and the first phone’s Bluetooth
- Switch the earphones back on and pair to the second phone
- Switch the first phone’s Bluetooth back on – the earphones should reconnect to both
- Try dual pairing with other devices to isolate the issue
Charging Issues
Earphones not charging
- Test the charging cable with another device
- Use only a 5V/2A wall adapter
- Check for dirt or debris in the charging port and clean with a cotton swab
- Verify the battery wasn’t tampered with or exposed to electrical damage
Sound Issues
Sound is distorted, low volume, low bass, or muffled
- Set your phone’s equalizer to normal/default/none/0 (see phone-specific EQ paths below)
- Perform a factory reset
- Clean ear wax buildup and gently blow dry from a distance if water droplets are present (avoid overheating)
Volume changes automatically
- Check equalizer settings on the connected device
- Test with a different media player or device to isolate the issue
Power & Control Issues
Device doesn’t power on
- Confirm the device has been fully charged (solid red LED turns off when complete)
- Test the charging wire with another device
- Verify the charger voltage is 5V/2A
- Clean the charging port if clogged with dirt
- Check for mishandling, broken wires, or extreme heat exposure
Built-in controls not working
- Unpair/Forget the device and pair again
- Test controls when connected to a different device
- Verify the media player supports Bluetooth controls
- Check for physical damage or hazard exposure
Voice assistant doesn’t wake up
- Check that Google Assistant or Siri is enabled on your paired device
- Long press the MFB for 1.5 seconds and release; this may be restricted by default on some devices
Microphone Issues
Voice is muffled during calls / microphone not working
- Restart the device
- Perform a factory reset
- Ensure no objects obstruct the connection; move closer to your device
- Check the microphone hole for dirt or earwax and clean gently
Phone-Specific EQ Settings
| Phone Brand | EQ Path |
|---|---|
| Vivo | i Music > Audio effect > Deep space sound effects > Equalizer |
| Xiaomi | Settings > Sound & vibration > Sound effects > Graphic equalizer |
| Samsung | Settings > Sound quality and effects > Equalizer |
| Realme | Settings > Sound > Equalizer (varies by UI version) |
| Oppo | Settings > Sound & vibration > Equalizer |
| Apple | Settings > Music > EQ |
| Motorola | Settings > Sound > Audio effects |
| Poco | Settings > Sound & Vibration > Graphic Equalizer |
| OnePlus | Settings > Sound Quality & Effects > Audio Tuner |
Frequently Asked Questions
How long is the battery life?
Rockerz 203 offers up to 40 hours of playtime and talk time at approximately 60% volume. Full charging takes up to 50 minutes.
What is ASAP™ Charge?
boAt’s patented fast-charging technology that provides up to 10 hours of playback from just 10 minutes of charging (may vary by conditions). Use a Type-C 5V/2A adapter for best results.
Is it good for gaming?
Rockerz 203 supports 60ms low latency via BEAST™ Mode, suitable for entertainment and casual gaming, but it’s not intended for professional gaming equipment needs.
Does it have Environmental Noise Cancelling?
Yes, Rockerz 203 includes ENx™ technology for clearer voice calls.
Can I connect two devices at the same time?
Yes, Rockerz 203 supports dual pairing, letting you connect two devices simultaneously.
Can I use any USB Type-C cable for ASAP™ Charge?
For ASAP™ Charge to work effectively, use a Type-C adapter with 5V/2A specification.
Can I swim with the Rockerz 203?
The Rockerz 203 earphones are IPX5 certified, meaning they can withstand a low-pressure water jet spray but cannot withstand being submerged in water. It’s recommended not to use them during swimming sessions.
Need Help? Contact boAt Support
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Closed on Sundays and National holidays
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Note: This guide is based on official boAt support documentation. For the most up-to-date information, visit boAt Support
