Bluetooth,FM,USB,SD-Card Slot,Aux& with IR bluetooth module

Bluetooth 5 Low Energy Modules - Bluetooth Chips bluetooth slot Slot Availability Mask, , Provides a mechanism for two Bluetooth devices to indicate to each other the availability of their time slots bluetooth speaker with pendrive slot Slot Availability Mask, , Provides a mechanism for two Bluetooth devices to indicate to each other the availability of their time slots

lightning link slot app HC-05 6Pin Wireless Serial Bluetooth Module is a Bluetooth module for use with any microcontroller It uses the UART protocol to make it easy