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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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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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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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