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Lenovo Product Marketplace, Inc. via Amazon [amazon.com] has wegear WL500 Rechargeable Silent 2.4G Wireless Mouse (Black) on sale for $18.99 – $12 off when you apply promo code UQO9GYMR at checkout = $6.99. 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.