Bluno Bee - Turn Arduino to Bluetooth 4.0 (BLE) Board - DFRobot
Amazon.com: USB Bluetooth Dongle, QGOO Bluetooth 4.0 Adapter Bluetooth Receiver for PC Laptop Desktop Keyboard Mouse Headset Speaker Smartphone Tablet Compatible with Windows 11/10/8.1/8/7/XP/Vista/XP : Electronics
Orico USB Bluetooth 4.0 Adapter - Black - Orico
Csr8510 Bluetooth 4.0 Dongle Csr 4.0 Adapter Mini Usb Bluetooth Adapter Transmitter For Windows Xp/vista/7/8/10 - Bluetooth Adapters - AliExpress
USB Bluetooth 4.0 Adapter - 10m Class 2 - Bluetooth & Telecom Adapters
Bluetooth 4.0 Scanner - Apps on Google Play
IOGEAR - GBU522 - Mini USB Dual-Mode Bluetooth 4.0 Transmitter
Bluetooth 4.0 USB Adapter
Modul bluetooth 4.0, BLE | GM electronic COM
CSR USB BT 4.0 Bluetooth Dongle CSR8510 - ElectroDragon
The Evolution of Bluetooth 4.0 to 5.0: Your Guide to What You Need to Know | Laird Connectivity
Bluetooth Basics: What Is Bluetooth & What Is Bluetooth 4.0?
USB Bluetooth 4.0 Adapter - Power Music Hardware Store
High Performance Bluetooth 4.0 Adapter, Wireless Bluetooth CSR 4.0 Dongle Adapter Compatible with Windows 10, 8.1 / 8, 7, Vista, XP, 32/64 Bit and Classic Bluetooth, Stereo Headset Compatible - Newegg.com
IOGEAR Micro USB Bluetooth 4.0 Transmitter Multi-Language Version - Network adapter - USB - Bluetooth 4.0 - Class 2 | Dell USA
ASUS Bluetooth 4.0 USB Adapter USB-BT400 B&H Photo Video
UGREEN USB Wireless Bluetooth 4.0 Adapter
Tripp Lite Mini Bluetooth USB Adapter 4.0 Class 1 164ft Range 7 Devices - U261-001-BT4 - -
Best Buy: IOGEAR Bluetooth 4.0 USB Micro Adapter Green GBU521
Bluetooth® 4.0 Dual-Mode micro-USB Adapter | Shop Targus – Targus US
Mini USB Bluetooth V 4.0 Dual Mode Sem Fio Adaptador Dongle Bluetooth CSR 4.0 USB 2.0/3.0 Para Windows 10 8 XP Win 7 Vista 32/64|dongle bluetooth|csr 4.0mini usb bluetooth - AliExpress
Combination WiFi + Bluetooth 4.0 USB Adapter : ID 4827 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: UGREEN USB Bluetooth 4.0 Adapter Nano USB Wireless Dongle Plug and Play for Win 10 8 Support Win 7 Vista Laptop Desktop to Bluetooth Headphone Speaker Keyboard Mouse Game Controller : Electronics
The 3G4G Blog: Different flavours of Bluetooth: 4.0, 4.1, Low Energy, Smart, Smart Ready...
Insignia - Bluetooth 4.0 USB Adapter - Black
