Speaker Works with Samsung Galaxy S21/Ultra/Plus/S21+ 5G Fabric Design 3W Playtime 6H Indoor, Outdoor Travel (GREEN) - Walmart.com
For Galaxy S21 Ultra Earpiece Speaker with Flex Cable (US Version) - Wirefree Components
Amazon.com: Home Theater Sound Speaker Bluetooth Slim Custom Case Cover for Samsung Galaxy S21 Ultra S21+ S20 FE S10 Plus S9 : Cell Phones & Accessories