In-ear headphones from jLAB that both fit well and have good sound isolation. They have clever buttons that you can use to quickly skip songs or answer a phone call.
From Argos
JLab JBuds Mini In-Ear True Wireless Earbuds - Aqua
Clove Technology
JLab JBuds Mini Headphones True Wireless Stereo (TWS) In-ear Music Bluetooth Black
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