Mini USB Bluetooth Wireless Adapter- 50m - Infrarot, Bluetooth

Wireless Infrared Transmitter GR01 With BT 5.1, 3.5mm AUX Stereo Music Adapter Dongle For PC, TV, Xm4 Headphones, Car Speaker From Beest, $6.23

UWB (Ultra Wideband) Positioning Module w/ ESP32, DWM1000 & Arduino - RobotShop

M9/M9Pro Bluetooth Audio Receiver Transmitter Wireless Audio Adapter NFC/AUX/2RCA/USB/TF/FM/6.5mm Mic for TV Amplifier Projector - AliExpress

Shelly Blu Gateway - USB WiFi Gateway - Bluetooth Botland - Robotic Shop

CHUF0301 USB Adapter IR Infrared Remote Extender Repeater Receiver Transmitter Emmiter Applies to All Remote Control Devices

Transmitter Receiver Multifunctional Wireless Adapter Infrared Remote Control Bluetooth-compatible for Speaker Desktop Laptop - AliExpress

ADD BLUETOOTH CAPABILITIES: This BT4 adapters lets you add Bluetooth 4.0 capabilities to your computer or laptop through the USB port of your device.

StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black

Best Bluetooth Transmitter for TV & More

Waveshare USB Port High Definition HDMI Video Capture Card HDMI to USB 3.0 - RobotShop

M9 Bluetooth 5.1 Music Receiver Long Range Bluetooth Adapter for Home – Onkiza

UNI-T Handheld Rangefinder Infrared Electronic Ruler Tool, Model: LM50T 50m

Eyoyo EY-015 Bluetooth Barcode Scanner, Mini Portable Barcode Reader with USB Wired/Bluetooth/ 2.4G Wireless Connection 1D 2D QR PDF417 Data Matrix Im

Portable Bluetooth 5.0 Transmitter Receiver 3.5mm AUX USB Mini 2 in 1 Wireless Stereo USB Audio Adapter - AliExpress

EDIMAX 2-in-1 WiFi 4 N150 & Bluetooth 4.2 Nano USB Adapter - EDIMAX

Bluetooth Adapter for PC, Hannord USB Mini Bluetooth 5.0 Dongle for Computer Desktop Wireless Transfer for Laptop Bluetooth Headphones Headset Speakers Keyboard Mouse Printer Windows 10/8.1/8/7