Bluetooth Classic
2 devices
Pycom WiPy 3.0
module
ESP32-based MicroPython IoT module with 802.11b/g/n WiFi, Bluetooth LE and Classic, 8MB flash, 4MB RAM, and ultra-low power ULP co-processor for deep-sleep GPIO monitoring at 25 µA.
ESP32 dual-core Xtensa LX6 @ 240 MHz4MB8MBWiFi 802.11 b/g/nBLE BLE 4.2
~$33View

Adafruit HUZZAH32 – ESP32 Feather
Dev Board
ESP32 dual-core 240 MHz Feather board with 802.11b/g/n WiFi, Bluetooth 4.2 Classic and BLE, 4MB flash, 520KB SRAM, 12 ADC channels, 2 DACs, capacitive touch, and built-in LiPo charger.
ESP32 dual-core Xtensa LX6 @ 240 MHz520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$20View
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More to explore — popular traits shared by devices with Bus Interfaces: Bluetooth Classic.