How much does this cost to the nearest dollar?

Tech-Life Boss Portable Bluetooth Speaker- 4-Pack
CRAZY SOUND, PERIOD. - Tech-Life BOSS packs a loud punch. Bass-Optimized for crystal clear sound that stays true to the music, experience crisp sound at all volume levels. You feel the bass even at low volumes. Any music lover would enjoy this powerful speaker as the perfect birthday gift. MULTI-LINK REVOLUTION - Connect up-to 100 Tech-Life speakers! Create any configuration of BOSS speakers to fit your needs. Perfect for pool parties, outdoor parties, BBQ's, beach parties, college tailgates. 100FT WIRELESS RANGE- Wireless range of 100ft to your phone. You can connect speakers together in different rooms for multi room listening through the entire house. The perfect Splashproof

Price is $540.00

Price: $539.99