Walmart offers the Sylvania Premium Portable Bluetooth Rugged Garage Speaker in Black for $14.99. Opt for in-store pickup to dodge the $5.99 shipping fee. That's the lowest price we could find by $14. It features two 2-way aluminum drivers, Bluetooth connectivity with 33-foot range, built-in microphone, Li-ion rechargeable battery with 8-hour run-time per charge, shock-resistant silicone casing, and 3.5mm auxiliary input.