boAt Rockerz 255 – Complete Support Guide with Specifications & FAQs

📄 Original Source: boAt Official Support – Rockerz 255

boAt Rockerz 255

In-Ear Earphones with True HD Sound & IPX5 Rating

Crystal Clear Wireless HD Sound

The Rockerz 255 is equipped with the latest Bluetooth 5.0 and 10mm drivers, together ensuring crystal clear wireless transmission in true HD sound:

10mm Dynamic Driver – True HD sound
IPX5 Water Resistant – Great for sports and adventures
Dual Pairing – Connect two devices simultaneously
aptX & cVc Support – Higher-quality audio and clearer calls
Bluetooth 5.0 – Instant connectivity

Key Features at a Glance

🎵 6 Hours Playback

110mAh battery, ~1.5 hour charge time

💧 IPX5 Rated

Dust and water resistant for sports

🎙️ Dedicated Mic

Built for calls and recording

🔗 Dual Pairing

Connect two devices at the same time

Full Specifications

Specification	Details
Type	In-Ear Bluetooth Earphones
Bluetooth Version	V5.0
IPX Rating	IPX5
Driver Type	Dynamic
Driver Size	10mm
Sensitivity	-98dB ± 3dB
Impedance	16 Ohms
Frequency Response	20Hz – 20kHz
Battery Capacity	110mAh
Playback Time	Up to 6 Hours
Charging Time	About 1.5 Hours
Charging Interface	USB Type-C
Compatibility	All Bluetooth Devices
Dual Pairing	Yes
aptX Codec	Yes (requires aptX-supported source device)
cVc Technology	Yes

Technology & Features

Dedicated Microphone

Rockerz 255 has a dedicated mic perfect for calls and recording.

aptX Codec Support

Rockerz 255 supports the aptX codec for higher-quality audio streaming. Your source device must also support aptX for this to work.

cVc Technology

Clear Voice Capture (cVc) technology is used for noise cancelling and enhancing selective listening during calls.

Dual Pairing

Connect Rockerz 255 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 (3 sec)	Power OFF
Press & hold Volume Up + Volume Down together (5 sec, in pairing mode)	Factory Reset / Clear paired devices (purple LED confirms)
Short press MFB once	Play/Pause
Short press center button once	Answer/End call
Long press MFB (2 sec)	Activate Voice Assistant
Long press Volume +	Next Track
Long press Volume –	Previous Track
Short press Volume +/-	Adjust Volume

Pairing & Connectivity

Initial Pairing

Press & hold the Power/MFB button to switch the earphones on
You’ll see a prompt as well as rapid blinking of the LED indicator
Turn on Bluetooth on your device and search for ‘Rockerz 255’
Select the device from the list; enter passcode 0000 (or 1234 if prompted during reconnection troubleshooting)
Once paired, the earphones are ready to play music, and will auto-reconnect when back in range with Bluetooth on

LED Indicator Guide

Pairing mode: Red and blue LEDs blink alternately (rapid blinking)
Charging: Red LED turns ON
Fully charged: Red LED turns OFF
Factory reset successful: Purple LED flashes for 1 second

Charging & Battery

How to Charge

Use the provided USB Type-C cable to charge the earphones – it cannot be charged via Micro USB
Use a 5V/2A charger for correct voltage; a standard mobile charger also works
Full charge takes about 1.5 hours; the earphones do not support fast charging or wireless charging
Red LED turns ON while charging and turns OFF once fully charged

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 or 1234
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 255” 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 2 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 255 offers up to 6 hours of playback on a single charge, with a full charge taking about 1.5 hours.

Does it have a dedicated microphone?

Yes, Rockerz 255 has a dedicated mic perfect for calls and recording.

Can I connect two devices at the same time?

Yes, Rockerz 255 supports dual pairing, letting you connect two devices simultaneously.

Does it support fast or wireless charging?

No, Rockerz 255 does not support fast charging or wireless charging. It takes about 1.5 hours to fully charge via the USB Type-C cable, and can also be charged with a standard mobile charger.

Does it support the aptX codec?

Yes, Rockerz 255 supports aptX. For this codec to work, your media device must also support aptX.

Does it have cVc technology?

Yes, Rockerz 255 supports Clear Voice Capture (cVc) technology, used for noise cancelling and enhancing selective listening.

Is it good for gaming?

Rockerz 255 features low latency for entertainment needs. It’s okay for casual gaming, but not intended for professional gaming – performance also depends on the connected media device.

Can I swim with the Rockerz 255?

Rockerz 255 in-ear earphones have IPX5 dust and water resistance, making them well-suited for sports and adventures, though they’re not designed for submersion or swimming.