Walmart offers the Sylvania Premium Portable Bluetooth Rugged Garage Speaker in Stealth Gray or Black, model no. SP262, for $14.87. Opt for in-store pickup to dodge the $4.97 shipping fee. That's $5 under the lowest price we could find for a similar Sylvania speaker elsewhere. It features two 2-way aluminum drivers, a passive radiator, 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.