Hi!
What type of headphone connection is it (Bluetooth, Aux cable)? If it is an Aux cable, is it P2/TRS or P3/TRRS?
What kind of issue does it have besides being slow?
Does an error code appear when you connect it to the laptop?
What is the full model name of your Lenovo laptop?
- Press WINDOWS + R > Type "msinfo32" > In System Summary, send me a screenshot.