CH9141 Low Bluetooth to Serial Port Module BLE4.2 Serial Port Bluetooth1334

CH9141 Low Bluetooth to Serial Port Module BLE4.2 Serial Port Bluetooth9971

CH9141 Low Bluetooth to Serial Port Module BLE4.2 Serial Port Bluetooth6405

CH9141 Low Bluetooth to Serial Port Module BLE4.2 Serial Port Bluetooth4988

1PCS NRF51822 2.4G Wireless Module Low-power SOC Chip BLE4.0 Bluetooth Module

CH9143 Module BLE/UART/USB Module BLE/USB to Serial/TTL UART Module M2L13702

BLE Bluetooth 4.0 HM-10 CC2541 CC2540 Serial Wireless UART Transceiver Module UK

Mini amplifier module 2X3W PAM8403 Class D Digital Stereo Audio amplifier