Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Mini Bluetooth 4.0 (Class 1) USB Adapter | Eaton
USB Bluetooth 4.0 Adapter for Desktop, Laptop, Mouse, Keyboard, Printer, Headset | eBay
IOGEAR - GBU521 - | Bluetooth Adapter | Bluetooth Dongle | USB Bluetooth
Bluetooth Csr 4.0 Dongle Xbox One new Zealand, SAVE 42% - eagleflair.com
CSR USB BT 4.0 Bluetooth Dongle CSR8510 - ElectroDragon
Plugable USB Bluetooth 4.0 Low Energy Micro Adapter (Compatible with Windows 10, 8.1, 8, 7, Classic
USB Bluetooth 4.0 Adapter - Power Music Hardware Store
IOGEAR - GBU522 - Mini USB Dual-Mode Bluetooth 4.0 Transmitter
Bluetooth 4.0 USB Adapter, Lovin Product USB Bluetooth Wireless Micro Adapter Compatible with Windows 10,8.1/8,7,Vista, XP, 32/64 Bit for Desktop, Laptop, Computers – lovinproducts
Bluetooth 4.0 USB Adapter
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![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/W/IMAGERENDERING_521856-T1/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
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Combination WiFi + Bluetooth 4.0 USB Adapter : ID 4827 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB Bluetooth 4.0 BLE Low Energy Dongle
Bluetooth Csr 4.0 Dongle Windows 7 | Windows 8.1 Bluetooth Usb Adapter - Bluetooth - Aliexpress
Mini Bluetooth CSR 4.0 USB 2.0 CSR4.0 Dongle Adapter For Win 8 7 XP Laptop PC | eBay
USB Bluetooth Adapter PC 4.0, Wireless Bluetooth Receiver - Maxesla
ASUS Bluetooth 4.0 USB Adapter USB-BT400 B&H Photo Video
The Evolution of Bluetooth 4.0 to 5.0: Your Guide to What You Need to Know
Serial Bluetooth 4.0 BLE Module - iBeacon
Keyestudio HM-10 Bluetooth-4.0 V3 Module Compatible with HC-06 Pins/supports Android & iOS system
USB Bluetooth 4.0 Adapter - 10m Class 2 - Bluetooth & Telecom Adapters | StarTech.com
