OnePlus Bullets Wireless 2 vs Sony WH-CH520 – Specs, Price & Comparison (2026)

Water Resistant - Sweat Proof Up to 10 hours with just 10 minutes of charge 20 hours of non-stop music, with full charge Google Assistant is just a single button press away The Bullets Wireless 2 are compatible with Android, iOS, Windows, Mac and others Wind the neck strap into a circle before placing your Bullets Wireless 2 in the storage case.

Digital Sound Enhancement. Find your headphones easily with Fast Pair. DSEEâ„¢ restores musicality lost in compression. Crystal clear hands-free calling with built-in mic. BluetoothÂ® wireless technology for unrestricted movement. Designed to be lightweight and comfortable for all-day use. 3 minute quick-charge can give you 1.5 hours of listening time. Easy hands-free calling and voice assistant commands with microphone. Long-lasting listening with up to 50 hours of battery, and quick charging. Multipoint connection allows you to quickly switch between two devices at once. Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE. Great sound quality customizable to your music preference with EQ Custom on the Sony, Headphones Connect App. With up to 50-hour battery life and quick charging, youâ€™ll have enough power for multi-day road trips and long festival weekends.

Key Differences

The frequency response differs (20 Hz - 20000 Hz vs 20 Hz - 20,000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. OnePlus Bullets Wireless 2 and Sony WH-CH520 offer different noise cancellation capabilities (No vs NA), which can impact how effectively they block external noise. Battery life varies between the two (10 Hours vs 40 Hours), which affects how long you can use them on a single charge. Impedance levels vary (NA vs 32 ohm), which can affect compatibility and audio output when used with different devices. From a usability standpoint, both models provide a reliable and premium headphone experience. There is a noticeable difference in weight (30 gm vs 147 Gm), which may affect comfort during extended use. If you're comparing OnePlus Bullets Wireless 2 and Sony WH-CH520, both models offer a strong combination of sound performance, comfort, and modern wireless features. OnePlus Bullets Wireless 2 uses Bluetooth 4.1 while Sony WH-CH520 supports Bluetooth 5.2, which can impact connectivity stability and efficiency. The driver size differs between the two (NA vs 30 mm), which can influence sound depth, bass response, and overall audio clarity.

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

Top Differences

Battery Life: 10 Hours vs 40 Hours
Noise Cancelling: No vs NA
Driver Size: NA vs 30 mm
Bluetooth: 4.1 vs 5.2
Weight: 30 gm vs 147 Gm

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Key Differences

Top Differences