Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Impedance levels vary (NA vs 16 Ohm), which can affect compatibility and audio output when used with different devices. There is a noticeable difference in weight (44.4 gm vs 52.6‬ Gm), which may affect comfort during extended use. The driver size differs between the two (6 mm vs 8.2 mm), which can influence sound depth, bass response, and overall audio clarity. The frequency response differs (NA vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. LG HBS-FN6 White and KEF Mu3 offer different noise cancellation capabilities (NA vs Active NC), which can impact how effectively they block external noise. If you're comparing LG HBS-FN6 White and KEF Mu3, both models offer a strong combination of sound performance, comfort, and modern wireless features. In general, both options are suitable for everyday use including music, calls, travel, and work-from-home scenarios. Battery life varies between the two (15 Hours vs 9 / 15 Hours), which affects how long you can use them on a single charge.

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