baby boleh tengok handphone or tv ka belum ? my baby just 4 months

kakak sye cerita anak ken husband dia dh juling n rabun sebab kerap sgt dgn phone, dia adbace better dont, dia pun bukak tv hari minggu shj. malam study. baby sye pun nk 4bulan lbh kan dia main dkt play gym dia and knlkan dia warna