Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
EDIMAX Technology N150 Wi-Fi & Bluetooth 4.0 USB EW-7611ULB B&H
CSR USB BT 4.0 Bluetooth Dongle CSR8510 – ElectroDragon
Bluetooth Adapter for PC, Wireless Headset Headphone Adapter with Mic Bluetooth 4.0 Dongle USB Adapter USB Dongle - Walmart.com
Keyestudio HM-10 Bluetooth-4.0 V3 Module Compatible with HC-06 Pins/supports Android & iOS system
IOGEAR - GBU522 - Mini USB Dual-Mode Bluetooth 4.0 Transmitter
Combination WiFi + Bluetooth 4.0 USB Adapter : ID 4827 : $14.95 : 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 - Bluetooth Adapters - AliExpress
Best Buy: Insignia™ Bluetooth 4.0 USB Adapter for Laptops and Desktops Compatible with Windows 10 Black NS-PCY5BMA2
Csr8510 Bluetooth 4.0 Dongle Csr 4.0 Adapter Mini Usb Bluetooth Adapter Transmitter For Windows Xp/vista/7/8/10 - Bluetooth Adapters - AliExpress
Iogear® Micro USB Bluetooth 4.0 Adapter (GBU521W6) | Staples
Bluno Link - A USB Bluetooth 4.0 (BLE) Dongle - DFRobot
Amazon.com: Kinivo USB Bluetooth Adapter for PC BTD400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible with Windows 11/10/8.1/8/7, Raspberry Pi, Linux, MacOS, Laptop & Headphones : Electronics
Serial Bluetooth 4.0 BLE Module - iBeacon
![Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics](https://m.media-amazon.com/images/I/71i0HInvk2L._AC_UF894,1000_QL80_.jpg "Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics")
Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics
Wireless Bluetooth 4.0 Anti-lost Anti-Theft Alarm Device Tracker GPS Locator Key/Dog/Cat/Kids/Wallets Finder Tracer w/ Camera Remote Shutter & Recording for iPhone iPad & Android 4.3 or above White - Walmart.com
USB Bluetooth 4.0 BLE Low Energy Dongle
Bluno Mega 2560 - Arduino Mega 2560 Compatible - Bluetooth 4.0 - DFRobot
IOGEAR - GBU521 - | Bluetooth Adapter | Bluetooth Dongle | USB Bluetooth
Long Range Bluetooth USB Adapter Wireless Bluetooth 4.0 CSR chip dongle for Windows 10 8.1 8
Bluetooth 4.0 module card 60Y3303 for IBM Lenovo Thinkpad FRU60Y3303 – 2JB GmbH
For Dongle Adapter Connector JVC KS-UBT1 Audio Dual Mode Bluetooth 4.0 Useful | eBay
UGREEN USB Wireless Bluetooth 4.0 Adapter
USB Bluetooth Adapter PC 4.0, Wireless Bluetooth Receiver - Maxesla
USB Bluetooth 4.0 Adapter - Power Music Hardware Store
