What can I do if I hear my heartbeat or pulse when wearing Sleep A30 Special?
1. Replace the ear tips or ear wings and adjust the earbuds.
2. Replace the foam ear tips with silicone ear tips.
3. Turn off ANC and check if the sound disappears.
If you have any more issues or your issue has not been resolved, please contact us for further assistance.

What can I do if I hear my heartbeat or pulse when wearing Sleep A30 Special?


54 undefined
How do I check the remaining charge of my charging case? 2109 views 1 likes/2025-12-11 15:11:20
How do I use the Sleep Onset Detected feature? 910 views 1 likes/2025-12-24 17:29:08
How do I adjust the volume in Local mode? 1105 views 1 likes/2025-12-11 11:16:04
How do I switch between Bluetooth and Local mode? 674 views 1 likes/2025-12-11 11:15:35
Why is there no Sleep Report data? 515 views 1 likes/2025-12-11 16:30:58
What if there is little or no sound coming from one of the earbuds? 715 views 1 likes/2025-12-11 16:59:48
How do indicator lights behave while charging? 500 views 1 likes/2025-12-11 15:11:50
What should I do if the earbuds stay connected to my device even after being placed in the charging case and the lid is closed? 432 views 1 likes/2025-12-11 15:08:09
Why does one earbud drain battery faster than the other? 443 views 1 likes/2025-12-11 15:06:56
What should I do if the earbuds won't charge in the charging case? 452 views 1 likes/2025-12-11 15:08:47

【D1301】【soundcore Sleep A30】EU Declaration

soundcore Sleep A30 取扱説明書 (D1301)

soundcore Sleep A30 用户指南 (D1301)

soundcore Sleep A30 User Guide (D1301)-EN

soundcore Sleep A30 Przewodnik Użytkownika (D1301)

soundcore Sleep A30 Guide de l'utilisateur (D1301)
View More


Sleep A30's Indicator Lights


Audio Options for Sleep A30


What are the two audio modes and how do I use them?


Deep Cleaning Your Earbuds


Setting Audio Timer


Connecting with Bluetooth
View More
