There is a noticeable difference in weight (55.5 gm vs 44.9 Gm), which may affect comfort during extended use. Oppo Enco W51 and JBL Endurance Race TWS are premium wireless headphones designed to deliver high-quality sound along with advanced features like noise cancellation and long battery life. Impedance levels vary (NA vs 16 Ohm), which can affect compatibility and audio output when used with different devices. Oppo Enco W51 uses Bluetooth 5.0 while JBL Endurance Race TWS supports Bluetooth 5.2, which can impact connectivity stability and efficiency. Battery life varies between the two (24 Hours vs 30 Hours), which affects how long you can use them on a single charge. The frequency response differs (20 Hz ~ 20000 kHz vs 20 Hz - 20000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Oppo Enco W51 and JBL Endurance Race TWS offer different noise cancellation capabilities (Digital vs NA), which can impact how effectively they block external noise. The driver size differs between the two (7 mm vs 6 mm), which can influence sound depth, bass response, and overall audio clarity. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience.

Verdict: Choosing between Oppo Enco W51 and JBL Endurance Race TWS depends on whether you value better sound, longer battery life, or enhanced features.