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Combination WiFi + Bluetooth 4.0 USB Adapter : ID 4827 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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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
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Luckybay Bluetooth 4.0 USB Adapter for PC Win 10 TSV Bluetooth Low Energy USB Dongle Adapter Compatible Windows 10 8.1 8 7 Vista XP - Walmart.com
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