How much does this cost to the nearest dollar?

Sony SA-RS5 Wireless Rear Speakers with Built-in Battery for and
The SA-RS5 speakers work with and soundbars using up-firing speakers and wide directivity woofers for 360 Spatial Sound Mapping to create multiple phantom speakers around your room. When you’re surrounded on all sides by multiple phantom speakers within an optimized sound field, you’ll hear every sound with incredible intensity. Optional rear speakers featuring 360 Spatial Sound Mapping for use with Soundbars, or Receiver.Waterproof No Direct wireless connection with or Soundbars, or Receiver Built-in battery with up to battery life and quick charging Immersive audio from up-firing speakers Activate Sound Field Optimization with OPTIMIZE button Total 180W power output brings music and movies to life Flexible layout – no power outlet needed Omnidirectional Block

Price is $598.00
Price: $598