RTL8192EEBT BT4.0 Bluetooth Card 04W3804 04W3805 for Lenovo Thinkpad T540P T440P | eBay
For Thinkpad X240 T440 T540p L440 L540 W540 5g Wifi Dual Band 7260ngw Ac Fru:04x6007 Wireless Adapter Card Converter - Network Cards - AliExpress
Lenovo Thinkpad X240 Intel Dual Band Wireless AC Bluetooth 4.0 Card 7260NGW 7260 | eBay
Amazon.com: Lenovo ThinkPad X240 12.5in Business Ultrabook Laptop Computer, Intel Core i7-4600U up to 3.3GHz, 8GB RAM, 128GB SSD, Bluetooth 4.0, USB 3.0, Windows 10 Pro (Renewed) : Electronics
Amazon.com: Lenovo ThinkPad X240 12.5in Business Ultrabook Laptop Computer, Intel Core i7-4600U up to 3.3GHz, 8GB RAM, 128GB SSD, Bluetooth 4.0, USB 3.0, Windows 10 Pro (Renewed) : Electronics
SOLVED: Is it possible to add Bluetooth from another laptop to this one - Lenovo Thinkpad X240 - iFixit
Lenovo Thinkpad enable Bluetooth - How to turn on and off Bluetooth - YouTube
Amazon.com: Lenovo ThinkPad X240 12.5in Business Ultrabook Laptop Computer, Intel Core i7-4600U up to 3.3GHz, 8GB RAM, 128GB SSD, Bluetooth 4.0, USB 3.0, Windows 10 Pro (Renewed) : Electronics