A:AnswerThis sure does have it built in.
Per their specs found here https://www.sony.com/electronics/wireless-speakers/lf-s50g/specifications
Wireless Connections
WI-FI
Setting: Use Google Home App Compatible standards: IEEE802.11 a/b/g/n Radio frequency: 2.4/5 GHz band2
NFC
Yes
HANDS-FREE FUNCTION
No
DLNA
No
CHROMECAST BUILT-IN
Yes
SPOTIFY CONNECT
No
