Sylvania SP5775

Overview
"CAW-18057POWER-V1.0" is silkscreened on the LED board in the FCC photos.
 * "MT-WD6" is silkscreened on multiple boards in the FCC photos.

Links of Interest

 * F6888 Bluetooth 4.1 Module (BK3254) on AliExpress
 * Beken BK3254 Bluetooth Audio Soc