boAt Rockerz 421 Wireless Bluetooth Over-Ear Headphones with Mic - Black Sabre

The boAt Rockerz 421 wireless over-ear headphones use a 40 mm driver in each ear cup, tuned for boAt Signature Sound with deep bass and clear highs across 20 Hz to 20 kHz. The mic uses ENx noise cancellation for calls and is on by default, so your voice comes through over traffic and office chatter.

Double press the power button for BEAST Mode, which brings the audio delay down to about 40 ms for games. Bluetooth 5.4 reaches up to 10 metres, and media buttons on the ear cup handle playback, volume, track skips, calls and your voice assistant. boAt rates the 400 mAh battery at up to 40 hours of playback, and a full charge over USB Type-C takes about 2 hours. When the battery runs out, plug in the AUX cable from the box and keep listening.

IPX4 covers sweat and splashes, not rain or swimming. There is no active noise cancelling for music, and the headphones cannot play while they charge.

Charge the headphones before first use with the USB Type-C cable from the box and a 5 V 2 A charger; the LED stays red while charging and turns blue when full, in about 2 hours. Press and hold the power button for 3 seconds to switch on; the blue and red LEDs flash in turn with a voice prompt. Select "Rockerz 421" in your phone's Bluetooth list; a slowly flashing blue LED shows it is connected. Double press the media button for your voice assistant, and double press the power button for BEAST Mode. To reset, hold volume + and volume - together for 5 seconds while the headphones are in pairing mode. Hold the power button for 4 seconds to switch off.

boAt Rockerz 421 headphones, USB Type-C charging cable, AUX cable, user manual and warranty card. No power adapter is included.

boAt (Imagine Marketing Ltd) gives its Bluetooth headphones a 12-month limited warranty in India from the date of the original purchase, covering faults in materials and workmanship under normal use. Service is carry-in at a boAt service centre or authorised service partner, and boAt may repair the headphones or replace them with a new or factory-refurbished unit. Every claim needs the original invoice showing the seller, purchase date and GST number; register the product and raise a claim at support.boat-lifestyle.com. Physical or accidental damage, liquid damage, normal wear, batteries, the supplied charging cable and repairs by anyone other than an authorised boAt service centre are not covered.