DIY ESP32 Music/MP3/Audio Player + Internet Web Radio - YouTube
Arduino module ESP32 TTGO GPRS Bluetooth
TTGO T-Display ESP32 WiFi and Bluetooth Module Development Board For Arduino 1.14 Inch LCD - Buy and Sell Hardware Products, DIY Electronics and Kits, HuaQiangBei Online Store - PCBWay
Esp32 - 4 Relays Controller Board For Wi-fi Or Bluetooth Smart Home System, Equipment Control. Programmable. - El Products - AliExpress
ESP32 as BT receiver with DSP-capabilities | Hackaday.io
WiFi module - ESP32 + DS18B20, internet radio and BT speaker
Pycom SiPy 1.0 – ESP32 WiFi, BLE and +22dBm SigFox Radio : ID 3534 : $54.95 : Adafruit Industries, Unique & fun DIY electronics and kits