JBL Synchros Reflect BT uses Bluetooth 4.0 while LG HBS-835S Black supports Bluetooth 5.0, which can impact connectivity stability and efficiency. The frequency response differs (10 Hz - 22000 Hz vs 2402 MHz to 2480 MHz), which can influence how well the headphones reproduce lows, mids, and highs. There is a noticeable difference in weight (16 g vs 39 gm), which may affect comfort during extended use. Battery life varies between the two (5 Hrs vs 15 Hours), which affects how long you can use them on a single charge. The driver size differs between the two (8.5 mm vs NA), which can influence sound depth, bass response, and overall audio clarity. JBL Synchros Reflect BT and LG HBS-835S Black are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Impedance levels vary (32 Ohms vs NA), which can affect compatibility and audio output when used with different devices. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience.

Verdict: Choosing between JBL Synchros Reflect BT and LG HBS-835S Black depends on whether you value better sound, longer battery life, or enhanced features.