Use Amazon coupon code THECOOLEST during checkout. Amazon has this Coolest 55-Quart Cooler with Blender and Bluetooth Speaker on sale for $499. Use the coupon code and the price drops to $449.10. Shipping is free. It features an ice-crushing blender powered by a 20-volt Lithium-ion battery, removable Bluetooth speaker, waterproof USB charger, LED lid light, bottle opener, tie-down bungee cord, telescoping handle, and double-wide wheels.