Because official Sony links are broken, you must rely on legacy driver repositories and community archives. Here are the safest methods:
In most cases, . The Sony VGP-BMS33 uses standard Bluetooth protocols (Bluetooth 2.0). Sony Vaio Bluetooth Laser Mouse Vgp-bms33 Driver
With these details, I can provide exact steps to stabilize your connection. Share public link Because official Sony links are broken, you must