📄 Original Source: boAt Official Support – Rockerz 333 ANC
boAt Rockerz 333 ANC
Neckband with DIRAC Opteo™ Crystal Bionic Sound & 25dB ANC
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The Future of Sound, Powered by DIRAC
boAt Rockerz 333 ANC is the first neckband in Asia powered by DIRAC, equipped with DIRAC Opteo™, Active Noise Cancellation, and ENx™ Technology for an incomparable audio experience:
- DIRAC Opteo™ – Crystal Bionic Sound continuously optimizes audio
- Up to 25dB ANC – Plus Ambient and Normal modes
- 13mm Drivers – Powerful, immersive sound
- ENx™ Technology – Clearer voice calls
- ASAP™ Charge – Fast top-ups with a detailed playtime matrix
- Dual Pairing – Connect two devices simultaneously
- Bluetooth 5.2 – Stable 10m connection
- IPX4 Water Resistant – Built for durability
Key Features at a Glance
🎧 Crystal Bionic Sound
DIRAC Opteo™ continuously optimizes your listening
🔇 25dB ANC
Cycle through ANC, Ambient, and Normal modes
⏱️ Up to 24 Hours
Talk time; varies by ANC/Sound mode combination
⚡ ASAP™ Charge
10 min charge = up to 6 hrs playtime
Full Specifications
| Specification | Details |
|---|---|
| Type | Bluetooth Wireless Neckband Earphones |
| Bluetooth Version | V5.2 |
| Active Noise Cancellation | Yes; up to 25dB |
| Ambient Mode | Yes |
| ENx™ Technology | Yes |
| Driver Size | 13mm × 2 |
| Frequency Response | 20Hz – 20kHz |
| Battery Capacity | 220mAh |
| Talk Time | Up to 24 Hours |
| Music Playtime | 24 hrs (Power Saver, no ANC) / 20 hrs (Crystal Bionic Sound, no ANC) / 15 hrs (Power Saver + ANC) / 13 hrs (Crystal Bionic Sound + ANC), at 60% volume |
| Charging Time | About 1.5 Hours |
| Charging Interface | USB Type-C |
| Transmission Range | 10 Meters |
| Water Resistance | IPX4 |
| Dual Pairing | Yes |
| ASAP™ Charge | Yes |
| Low Latency / Gaming Mode | No |
📄 Official User Manual
Download the official User Manual PDF: Rockerz 333 ANC Manual (PDF)
10-Minute ASAP™ Charge Playtime
| Mode Combination | Playtime from 10 min Charge |
|---|---|
| ANC ON & Crystal Bionic Sound ON | 3.5 hours |
| ANC ON & Crystal Bionic Sound OFF | 4.5 hours |
| ANC OFF & Crystal Bionic Sound ON | 5.5 hours |
| ANC OFF & Crystal Bionic Sound OFF | 6 hours |
Technology & Features
DIRAC Opteo™ Crystal Bionic Sound
DIRAC’s Crystal Bionic Sound constantly optimizes audio output for a musical experience unlike any other. Double press the MFB to switch Crystal Bionic Sound ON; double press again to switch it OFF and enter Battery Saver Mode.
Active Noise Cancellation (up to 25dB)
Single press the ANC button to cycle: ANC ON (cancels unwanted background noise) → Ambient Mode (lets you stay aware of surroundings) → Normal Mode (ANC and Ambient both off). By default, the neckband starts in ANC OFF mode the first time you use it.
Power (Battery) Saver Mode
Double press the MFB to toggle Power Saver Mode, which turns off Crystal Bionic Sound and ANC to extend battery life (confirmed with a sound prompt). This activates automatically once battery drops below 20%, and the earphones start in Battery Saver Mode by default whenever powered on.
ASAP™ Charge Technology
boAt’s patented fast-charging technology delivers playtime ranging from 3.5 to 6 hours from just 10 minutes of charging, depending on your active ANC and Crystal Bionic Sound settings. Use a Type-C 5V/2A adapter for effective ASAP™ Charge performance.
Dual Pairing
Connect Rockerz 333 ANC 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) & ANC Controls
| Action | Function |
|---|---|
| Press & hold MFB (2 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 |
| Double press MFB | Reject call (during ring) |
| Triple press MFB | Activate Voice Assistant |
| Double press MFB (idle) | Toggle Crystal Bionic Sound / Power Saver Mode |
| Press & hold Volume Up (2 sec) | Next Track |
| Press & hold Volume Down (2 sec) | Previous Track |
| Short press Volume +/- | Adjust Volume |
| Press ANC button once | Cycle: ANC ON → Ambient Mode → Normal Mode |
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 2 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 333 ANC’
- Select the device from the list; enter passcode 0000 or 1234 if prompted
- Once connected, the blue LED flashes once every 5 seconds to confirm the connection
LED Indicator Guide
- Power ON: Red LED flashes once
- Pairing mode: Red and blue LEDs blink alternately
- Connected: Blue LED flashes once every 5 seconds
- Low battery (<20%): Red LED flashes quickly with a “Low Battery” prompt every 10 minutes
- Charging: Solid red LED (cannot power on while charging)
- Fully charged: Red LED turns OFF
- Factory reset successful: Red and blue LEDs flash rapidly
Charging & Battery
How to Charge
- Plug the USB Type-C cable into the neckband and connect the other end to a computer or wall adapter
- Use a 5V/2A wall adapter for correct voltage
- Full charge takes about 1.5 hours
- Solid red LED indicates charging; LED turns off once fully charged
- Note: The neckband cannot be turned on while charging
Troubleshooting Guide
Connectivity Issues
Neckband not connecting via Bluetooth
- Ensure the device is in pairing mode – hold the MFB for 2 seconds until alternating red/blue LEDs flash
- Clear the pairing list: press and hold Volume + and Volume – for about 5 seconds in standby mode
- Confirm the device is within 10m range with no obstructions
- If prompted for a passcode, enter 0000 or 1234
- Check for software issues on your phone; try forgetting the device or updating mobile software
One side not working or disconnecting frequently
- Restart the device
- Perform a factory reset
- Test with different devices and media players to isolate the issue
- Remove any obstructions and move closer to the connected device
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
Not charging or battery life is low
- Test the charging cable with another device
- Use only 5V/2A chargers
- Charge until the red light turns off completely
- Check the battery hasn’t been tampered with or exposed to electrical damage
- Clean the charging port with a cotton swab if clogged with dirt
- Confirm the adapter and cable support fast charging
Sound Issues
Sound is distorted, low volume, low bass, or low quality
- Set your phone’s equalizer to Normal/Default/Zero/None
- Reset the device or clear the paired devices list
- Clean ear wax buildup with a cotton swab and alcohol, then air dry
- Ensure no obstructions and stay within 10m Bluetooth range
Volume changes automatically
- Set the connected device’s equalizer to Normal/Default/Zero/None
- Reset the device or clear the paired devices list
Power & Control Issues
Neckband won’t turn on
- Confirm the device has been fully charged (red light turns blue when complete)
- Use only 5V/2A output chargers
- Check for mishandling, broken wires, or exposure to sunlight/fire hazards
Built-in controls not working
- Test whether controls work while connected to a different device
- Forget the device and pair again
- 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
- Triple-press the MFB; this may be restricted by default on some devices
Microphone Issues
Microphone not working
- Reset the earphones
- Ensure the microphone isn’t blocked by any particles
- Hold the microphone at an adequate distance to pick up your voice
- Test with a voice recorder to confirm mic function
- Check the mic wasn’t exposed to sunlight, fire, or liquid beyond its resistance rating
Frequently Asked Questions
How long is the battery life?
Talk time is up to 24 hours. Music playtime ranges from 13 to 24 hours depending on whether ANC and Crystal Bionic Sound are active. Full charging takes about 1.5 hours.
What is Crystal Bionic Sound?
Crystal Bionic Sound, powered by DIRAC Opteo™, constantly optimizes the audio for an enhanced musical experience. Double press the MFB to switch it on; double press again to switch it off and enter Battery Saver Mode.
How do I activate ANC?
Single press the ANC button to cycle through ANC ON, Ambient Mode, and Normal Mode. By default, the neckband starts in ANC OFF mode the first time you use it.
Does it have ANC and Environmental Noise Cancelling?
Yes, Rockerz 333 ANC offers up to 25dB Active Noise Cancellation as well as ENx™ Environmental Noise Cancelling for calls.
Does it support low latency for gaming?
No, Rockerz 333 ANC does not support low latency mode.
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 333 ANC?
boAt Rockerz 333 ANC earphones are IPX4 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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022-6918-1920
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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
