Bluetooth 4.2

Espressif ESP32-U4WDH Wi-Fi + Bluetooth SoC Dual-Core 240MHz 4MB Flash QFN-48
ESP32-D0WDQ6-V3 QFN-48 2.4GHz WiFi Bluetooth Wireless Transceiver SoC Chip
MH-M18/M28/M38 Series Bluetooth 4.2 Audio Receiver Module Stereo Lossless Decoding DIY Speaker Modification Car Audio Board
MH-M18/M28/M38 Bluetooth Audio Receiver Module 4.2 Stereo Lossless Decoding DIY Speaker Mod
RTL8723DS Realtek Wi-Fi & Bluetooth Combo IoT Wireless Module SDIO 3.0 + UART Interface