The driver size differs between the two (NA vs 6 mm), which can influence sound depth, bass response, and overall audio clarity. There is a noticeable difference in weight (30 gm vs 129 Gm), which may affect comfort during extended use. OnePlus BT32B and boAt Airdopes 621 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Battery life varies between the two (8 Hours vs 5 / 7 / 150 Hours), which affects how long you can use them on a single charge. OnePlus BT32B and boAt Airdopes 621 offer different noise cancellation capabilities (Digital vs NA), which can impact how effectively they block external noise. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. OnePlus BT32B uses Bluetooth 4.1 while boAt Airdopes 621 supports Bluetooth 5.0, which can impact connectivity stability and efficiency. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. Impedance levels vary (NA vs 16 ohm), which can affect compatibility and audio output when used with different devices.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.