Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Kinivo BTD-400 Bluetooth 4.0 Low Energy USB Adapter - Works With Windo
USB Mini Bluetooth 4.0 CSR4.0 Adapter Dongle Bluetooth Receiver Wireless Transfer Adapter For PC Laptop Bluetooth Headphones Headset Speakers Keyboard Mouse Printer Windows 10/8.1/8/7 - Walmart.com
Amazon.com: BlueDot Trading Mini Bluetooth Smart Low Energy Dongle Adapter, CSR 4.0 CSR4.0 Compliant, USB 2.0, for Windows 8 7 XP, Laptop Desktop PC : Electronics
Amazon.com: Plugable USB Bluetooth 4.0 Low Energy Micro Adapter (Compatible with Windows 11, 10, 8.x, 7, Classic Bluetooth, Gamepad, and Stereo Headset Compatible) : Electronics
ORICO USB Bluetooth Adapter 4.0 (BTA-403)
Dual Mode Bluetooth 4.0 USB Dongle Adapter Connector For JVC-KS-UBT1 Car Audio | eBay
Mini USB Bluetooth 4.0 Dongle - 50m - Bluetooth & Telecom Adapters | StarTech.com
Amazon.com: Bluetooth 4.0 USB Dongle Adapter - Maxesla Wireless Bluetooth Transmitter Receiver for Windows 10/8 / 7 / Vista/XP Laptop PC for Bluetooth Speaker, Headset, Keyboard, Mouse, Game Controller Black : Electronics
IOGEAR - GBU521 - | Bluetooth Adapter | Bluetooth Dongle | USB Bluetooth
UGREEN USB Wireless Bluetooth 4.0 Adapter
CSR8510 Bluetooth 4.0 Dongle CSR 4.0 Adapter Mini USB Bluetooth Adapter Transmitter for Windows XP/Vista/7/8/10 - AliExpress
USB Bluetooth 4.0 Adapter for Desktop, Laptop, Mouse, Keyboard, Printer, Headset | eBay
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
Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
ORICO Wireless USB Bluetooth-Compatible 4.0 Adapter USB Dongle Transmitter Receiver for PC Windows Speaker Wireless Mouse - AliExpress
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
Mini USB Bluetooth v4.0 Adapter Dual Mode Wireless Dongle CSR 4.0 Bluetooth Adapter For Windows 7,8,10 PC Computer Laptop - AliExpress
TP-Link Bluetooth 4.0 Nano USB Adapter | 78157090 | Lenovo US
ASUS USB2.0 Bluetooth4.0 Smart Ready USB adapter Black USB-BT400 - Best Buy
Premiertek Dual Mode Bluetooth V4.0 USB Adapter with Low Energy Technology for Notebook Desktop Raspberry Pi (BT-400_V2) (bluetoothdongle-CSR4.0 1
