StarTech.com Mini USB Bluetooth Wireless Adapter Dongle Class 1 EDR 165ft - USBBT1EDR4 - Wireless Adapters - CDW.com
ORICO USB Bluetooth Adapter 4.0 (BTA-403)
Linux Compatible Bluetooth Dongles
CSR USB BT 4.0 Bluetooth Dongle CSR8510 – ElectroDragon
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Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained - Major HiFi
Parani-UD100 Bluetooth 4.0 Class1 USB Adapter, Exchangeable Antenna
Bluetooth 4.0: What is it, and does it matter? - CNET
IOGEAR - GBU521 - | Bluetooth Adapter | Bluetooth Dongle | USB Bluetooth
Beetle BLE - The Smallest Board Based on Arduino Uno with Bluetooth 4.0 - DFRobot
Bluno Mega 2560 - Arduino Mega 2560 Compatible - Bluetooth 4.0 - DFRobot
The Evolution of Bluetooth 4.0 to 5.0: Your Guide to What You Need to Know
Amazon.com: TP-Link USB Bluetooth Adapter for PC(UB400), 4.0 Bluetooth Dongle Receiver Support Windows 11/10/8.1/8/7/XP for Desktop, Laptop, Mouse, Keyboard, Printers, Headsets, Speakers, PS4/ Xbox Controllers : Electronics
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Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 [Firmware Version 2] : ID 2269 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB Bluetooth 4.0 Adapter - Power Music Hardware Store
Bluno Bee - Turn Arduino to Bluetooth 4.0 (BLE) Board - DFRobot
Amazon.com: Panda Bluetooth 4.0 USB Nano Adapter - Windows XP/Vista/7/8/8.1/10/11, Mint, Ubuntu, Fedora, openSUSE, Lubuntu, Zorin, BackTrack5 R3, Kali Linux, Raspbrian Wheezy and OpenELEC : Electronics
Csr8510 Bluetooth 4.0 Dongle Csr 4.0 Adapter Mini Usb Bluetooth Adapter Transmitter For Windows Xp/vista/7/8/10 - Bluetooth Adapters - AliExpress
Connect Universal Dual Headphone Bluetooth Audio Transmitter for TV
Tripp Lite Mini Bluetooth USB Adapter 4.0 Class 1 164ft Range 7 Devices - network adapter - USB - U261-001-BT4 - Wireless Adapters - CDW.com
