In-depth review of the Anker soundcore Liberty 4 with heart rate sensor!

Correction: the waterproof performance, which we have pointed out in the areas of concern, etc., seems to be IPX4 compliant. Therefore, there was no problem using it during exercise.
Chapters (Table of Contents)
0:00 Anker soundcore Liberty 4 review
1:51 Specifications & Price
4:24 Appearance and design
7:52 Accessories
8:59 How it feels to wear
10:45 Sound quality and 3D audio
13:21 Operation
14:38 Smartphone app
19:36 ANC and ambient sound
22:12 Call quality
22:48 Areas of concern
24:59 Summary
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/ @kinokokun