Bluetooth module HC-06 (2.0 + EDR)

WiFi/BLE module that supports both the 2.4 GHz and 5 GHz WiFi bands, as well as Bluetooth Low Energy (BLE 4.2) communication. It has a u.FL connector dedicated to connecting an external antenna and a connector with a 2.54 mm pitch, which greatly facilitates prototyping. Tibbo WA2000U

Bluetooth 4.0 dongle as a USB adapter. Works with bluetooth devices such as speakers, headsets, smartphones, tablets, keyboards, mice, printers, projectors etc.

Comprehensive development platform for Espressif ESP32 a WiFi-compatible microcontroller and nearly 30 I/O pins. DEV-13907

WRL-12991

Adafruit 2479 - Bluefruit LE UART Friend - Bluetooth Low Energy (BLE)

An integrated module combining WiFi, Bluetooth 4.0 and FM radio. It has derived SDIO, UART and PCM interfaces. Ampak AP6335

The module is compatible with the Grove Base Shield and designed to implement a wireless serial connection. It uses Bluetooth 4.0 (BLE) HM-11 and UART communication. Seeed Studio 113020008

The IoT module combining Wi-Fi and Bluetooth (BLE) technologies, which is designed for a wide range of applications, from low-power sensor networks to the most demanding tasks such as voice coding, music streaming and MP3 decoding. Espressif ESP32-WROOM-32D 128MBit

The low-power consumption micro-controller intentionally designed for Internet of Things (IoT) projects. The board integrates a Dual-Core ESP-WROOM-32 module, which supports MCU and Wi-Fi &Bluetooth dual-mode communication. DFR0478

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25467

Evaluation kit with Bluetooth 5.0 Sparkfun Artemis module. Equipped with a microphone, kmaers and accelerometer. SparkFun DEV-16828