Bluetooth module | from 0 to 9

2.4GHz 3.5dBi SMA Right Angle External Antenna for WiFi, Bluetooth, and Zigbee Modules

Espressif ESP32-WROVER-E Wireless Module Development Kit

Compact yet powerful, the ESP32‑WROVER‑E kit delivers dual‑core processing, integrated Wi‑Fi and Bluetooth LE, 4 MB PSRAM for memory‑intensive tasks, and a robust USB‑UART interface for rapid firmware updates, all wrapped in a developer‑friendly board layout.

Bluetooth Portable FM Transmitter Car Audio MP3 Player with USB Output and Wireless Charger - Blue

Flexible WiFi Wireless Bluetooth Antenna Signal Replacement Module for iPad 3 4

2.4GHz 3.5dBi SMA Male Right Angle External WiFi Bluetooth Zigbee Antenna