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Amazon.com: TP-Link UB4A Bluetooth 4.0 Ultra Small Nano USB Adapter for PC Laptop TPLink : Everything Else
Techkey USB Bluetooth 4.0 Adapter Dongle for PC Laptop Computer Desktop Stereo Music, Skype Call, Keyboard, Mouse, Support Al - Walmart.com
AirTurn | USB Bluetooth V4.0 Adapter
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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
Guide for using Bluetooth 4.0 on a Windows PC - FAQs | mBlock
