boAt Rockerz 421 (2025 Launch), 40Hrs Battery, Low Latency(40ms), 40mm Drivers, ENx Technology, Integrated Controls, v5.4 Bluetooth Headphones, Wireless Headphone with Mic (Black Sabre) Color:Black Sabre 24x7 heart rate monitor

24x7 heart rate monitor

Sport Type: Multi-Sports

Stay powered and connected longer without frequent recharges

Segment Leading Camera Features HD Live Streaming Live monitor in HD from anywhere

50cms) TFT display

boAt Rockerz 421 (2025 Launch), 40Hrs Battery, Low Latency(40ms), 40mm Drivers, ENx Technology, Integrated Controls, v5.4 Bluetooth Headphones, Wireless Headphone with Mic (Black Sabre) Color:Black Sabre 24x7 heart rate monitorDive into the crisp highs and deep lows of your playlist with the boAt Rockerz 421 Bluetooth Headphones. Thumping bass heavy boAt Signature Sound, powered by high fidelity 40 mm drivers, brings the audio alive whether you are tuning into podcasts, the latest OTT series, or revisiting your favorite movies. Stay entertained without charging woes for an extensive 40 hours with Rockerz 421. For gamers, the 40 ms low latency of BEAST mode syncs virtual