The first driver will be suitable if the Insignia Bluetooth 4.0 USB Adapter Driver (NS-PCY5BMA) isn't installing automatically.
BCM20702A0 Drivers Download
File: GBU521_Win10_12.0.1.820.zip
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BCM20702A0 Drivers Download
File: broadcom_bluetooth_12_0_0_9980.zip
fdc54d06ef793fc57d9aad3d9a9a170816ff623073392a5a0ea7b2a3e0a2c40b
ThinkPad Bluetooth with Enhanced Data Rate Software
File: g4wb12ww.exe
8f86b939ddafa9d1385aad135b5ae6ad42225f49e8d8e66aeced5f89dd6729c2
ThinkPad Bluetooth with Enhanced Data Rate Software
File: g4we14ww.exe
03f376c25cda6a6614fafb117fcd4b8c314c0355a20eed526685a1e7c991fe25
HP Gerneral Bluetooth Driver Pack
File: sp74543.exe
10cb9eb292c5132119331b86450f086556b15bf9e3386b5d106bc9b6a126a9c9
Bluetooth (Broadcom BCM2070) - IdeaCentre B345, B545
File: h1100129.exe
e3e434b5335c47f3953cb6f75cabad950a36f490ab3a6db9c4acfe6b71334f1e
Extract the zip file to your desktop or a location that you can delete after the install. After the files are extracted run the setup.exe as an administrator.