Wireless earbuds (GU12)

Description from the seller: Eissix Wireless Earbuds, Bluetooth 5.3 Wireless Earphones with Button Control, Noise Cancelling Mic, 30H Playtime with Charging Case, LED Display, IP7 Waterpoof Headphones

Used. For About 10 months. They started to be somewhat quiet.
So although working I initially wanted to bin them - can these be useful to anyone?

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