ASUS USB-BT400 Bluetooth Dongle - 4.0 - Walmart.com
ORICO USB Bluetooth Adapter 4.0 (BTA-403)
CSR USB BT 4.0 Bluetooth Dongle CSR8510 – ElectroDragon
Bluno Link - A USB Bluetooth 4.0 (BLE) Dongle - DFRobot
CSR USB BT 4.0 Bluetooth Dongle CSR8510 – ElectroDragon
USB Bluetooth 4.0 Adapter | Advantage Software
Amazon.com: Plugable USB Bluetooth 4.0 Low Energy Micro Adapter (Compatible with Windows 10, 8.1, 8, 7, Classic Bluetooth, Gamepad, and Stereo Headset Compatible) : Electronics
Amazon.com: Cable Matters USB Bluetooth Adapter (USB to Bluetooth 4.0 Adapter) for Windows 10, 8.1, 8, 7, Vista, XP, Raspberry Pi in Black : Electronics
Dual Mode Bluetooth 4.0 USB Dongle Adapter Connector For JVC KS-UBT1 Car Audio - Walmart.com
Insignia™ Bluetooth 4.0 USB Adapter for Laptops and Desktops Compatible with Windows 10 Black NS-PCY5BMA2 - Best Buy
USB Bluetooth 4.0 Adapter - Power Music Hardware Store
USB Bluetooth 4.0 Adapter | Advantage Software
Bluetooth v5.0 USB Adapter
Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
2-in-1 Wi-Fi & Bluetooth 4.0 Nano USB Adapter, Mini Wireless WiFi Dongle Network Dual Adapter 150Mbps & Bluetooth Transmitter Network Signal Receiver for Desktop/Laptop/PC, Supports WIN7/8/10 with Intelligent AP Connection Function Easy
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
USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy T - Sabrent
Mini Usb Bluetooth V4.0 Adapter Dual Mode Wireless Dongle Csr 4.0 Bluetooth Adapter For Windows 7,8,10 Pc Computer Laptop - Bluetooth Adapters - AliExpress
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 Micro Adapter for PC [v4.0 Class 2 with Low Energy T - Sabrent
Parani-UD100 Bluetooth 4.0 Class1 USB Adapter, Exchangeable Antenna
Amazon.com: GMYLE Bluetooth 4.0 Broadcom Chip Dongle Adapter, Ultra-Mini USB Transmitter Receiver with LED, Support Windows 10, 8, 7, Plug and Play : Electronics
