There is a noticeable difference in weight (44.4 gm vs 52.6‬ Gm), which may affect comfort during extended use. Impedance levels vary (NA vs 16 Ohm), which can affect compatibility and audio output when used with different devices. 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. LG HBS-FN6 White and KEF Mu3 are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. The frequency response differs (NA vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices. Battery life varies between the two (15 Hours vs 9 / 15 Hours), which affects how long you can use them on a single charge. The driver size differs between the two (6 mm vs 8.2 mm), which can influence sound depth, bass response, and overall audio clarity.

Verdict: Choosing between LG HBS-FN6 White and KEF Mu3 depends on whether you value better sound, longer battery life, or enhanced features.