Bluetooth Bluetooth 4.0 Adapter Card Module For Lenovo Thinkpad X200 X220 X230 T400s T410 T420 T430 T430s T510 T520 T530 W510 - Pc Hardware Cables & Adapters - AliExpress
Is it a bluetooth card? : r/thinkpad
HELP - Lenovo T420 doesnt have functioning bluetooth, the light never comes on and my computer doesn't show me any bluetooth options. Please help! : r/ Lenovo
Used Lenovo Thinkpad in Black T420 HD 14" Intel Core i5 2520M (2.5GHz-3.2GHz) 4GB Memory 320GB Hard Drive Webcam Bluetooth DVD-RW Windows 10 Professional Laptop - Walmart.com