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Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Mini USB Bluetooth 4.0 Dongle - 50m - Bluetooth & Telecom Adapters | Networking IO Products | StarTech.com
USB Bluetooth 4.0 Adapter - 10m Class 2 - Bluetooth & Telecom Adapters | Networking IO Products | StarTech.com
Long-Range USB Bluetooth 4.0 Micro Adapter – SONNETTECH
Bluetooth 4.0 Mini USB Adapter | BTA8000 | Cirago
Amazon.com: StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black : Everything Else
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Dual Mode Bluetooth 4.0 USB Dongle Adapter Connector For JVC-KS-UBT1 Car Audio | eBay
Best Buy: ASUS USB2.0 Bluetooth4.0 Smart Ready USB adapter Black USB-BT400
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CSR USB BT 4.0 Bluetooth Dongle CSR8510 – ElectroDragon
TP-Link USB Bluetooth Adapter for PC (UB400), Bluetooth Dongle Supports Windows PC for Desktop, Laptop, Mouse, Keyboard, Printers, Headsets, Speakers, PS4/ Xbox Controllers - Bulk Packaging - 1 Pack - Walmart.com
Amazon.com: Bluetooth CSR 4.0 USB Dongle Adapter, EKSEN Bluetooth Transmitter of Electronic Signals for Windows 10/8/7/Vista - Plug and Play on Win 8 and Above - White : Electronics
IOGEAR - GBU521 - | Bluetooth Adapter | Bluetooth Dongle | USB Bluetooth
Orico USB Bluetooth 4.0 Adapter - Black - Orico
Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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
USB Bluetooth Dongle, QGOO Bluetooth 4.0 Adapter for PC Laptop Compute – QGOO-VIP
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US Bluetooth 4.0 Headset Dongle USB Adapter Receiver Black for Playstation 4 PS4 | eBay
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 Micro Adapter for PC [v4.0 Class 2 with Low Energy T - Sabrent
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
