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ZSLST via Amazon [amazon.com] has 6.54″ Lerat 5-Speed Portable USB Rechargeable Desk Fan w/ LED Display & 180° Foldable Design (Black) on sale for $19.99 – 50% off when you apply promo code 2VPWC4WP at checkout = $9.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.