In-ear headphones from jLAB that both fit well and have good sound isolation. With one charge, you get up to four hours of battery life.
From Amazon
JLab JBuds Air True Wireless Earbuds, Wireless Headphones Bluetooth - Wireless Ear Buds with USB Charging Case, IP55 Sweat Resistant Sports Earphones and Custom EQ3 Sound - Bluetooth Earbuds, Black
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JLab JBuds Air In-Ear True Wireless Earbuds - Black, New
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JLab JBuds Air In-Ear True Wireless Earbuds - Black