Does the Infinix Hot 10 Play X688B comply with FCC regulations?

Yes, this device complies with Part 15 of the FCC Rules under two conditions: it may not cause harmful interference, and it must accept any interference received, including interference that may cause undesired operation. The FCC ID for this model is 2AIZN-X688B, and SAR information is on file with the FCC at http://www.fcc.gov/oet/fccid. (Page 7)