<ul><li>Soundcore's latest Bluetooth speaker, the Select 4 Go, is on sale starting at just $19.99.</li><li>Amazon's Big Spring Sale is offering several dozen good-to-great deals that don't require an Amazon Prime membership.</li><li>The sale features low-cost alternatives to pricey items and includes deals from Amazon and Woot.</li><li>Updated on March 31st to include new deals, such as those for SwitchBot's Smart Switch Button Pusher and Ugreen's Magnetic Wireless Charging Station.</li></ul>

The 30 best Amazon Big Spring Sale deals you can still grab for under $30

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