Why is my bluetooth connection slow – Sony VAIO VPCF12 Series User Manual

VPCF12LGX, VPCF121GX, VPCF12HFX, VPCF12YFX, VPCF12FFX, VPCF12MGX, VPCF12PGX, VPCF1290X, VPCF123FX, VPCF12GFX, VPCF12CFX, VPCF12DFX, VPCF12JFX, VPCF12LFX, VPCF12KFX, VPCF12VGX, VPCF125FX, VPCF12THX, VPCF121FX, VPCF122FX, VPCF127FX, VPCF12SGX, VPCF12RGX, VPCF12ZFX, VPCF12XHX, VPCF12QGX, VPCF12BFX, VPCF126FM, VPCF12NGX, VPCF12AFM, VPCF12UGX