Actual sound quality is pretty good, but when combined with highly sensitive IEMs like the ones KZ sells (I used the KZ AS10) there is too much background noise. This makes them unusable for more than 5 minutes. However, the noise disappears when they are turned off.
Upgrade Your Music Experience with XiaoMi True Wireless Earphones 2 Basic - Longer Battery Life and Superior Sound Quality (White, International Edition)
341 Review
Upgrade Your Audio Experience with Samsung Galaxy Buds+ Plus: True Wireless Earbuds with Improved Battery and Call Quality in White, including Wireless Charging Case and Velvet Pouch.
320 Review
Headphones Sennheiser CX 300-II, black
318 Review
Black Huawei FreeBuds 3 Wireless Bluetooth Earbuds for Superior Sound
276 Review
Bose QuietComfort 25 Acoustic Noise Cancelling Headphones with 3.5mm Wired Connection for Apple Devices - Black
43 Review
Black Panasonic RP-HJE125E-K Wired Earphones 🎧 with 3.5 mm Jack
359 Review
New White Marshall Minor II In-Ear Bluetooth Headphone
101 Review
Sony MDR-ZX310AP ZX Series Blue Wired On Ear Headphones with Mic: Immersive Sound Experience
48 Review