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USB Bluetooth 4.0 Low Energy Micro Adapter with CSR8510 Controller and CSR Harmony for Windows XP Vista 2003 2008 Win 7, DS 2|Voltage Meters| - AliExpress
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CSR4.0 USB 2.0 Bluetooth 4.0 Adapter Driver / CSR Harmoney Wireless Software Stack v.V4.0, v.2.1.60.0 download for Windows - deviceinbox.com
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I can't connect my Nintendo Switch Pro Controller using a USB Adapter CSR Harmony Bluetooth 4.0 on Windows 10 : r/Windows10
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