Breastpump

Assalamualaikum.. Nk tanya kalau mommies tau.. 1) Kat mana je kedai breastpump yg bole trade in breastpump lama kpd breastpump baru? 2) Kpd mommies yg pnh guna lacte duet rechargeable electric breastpump then tukar kpd breastpump lain, mommies tkar kpd breastpump brand ape ye) 3) Bole x suggest breastpump yg kecil, mudah di bawa ke mana2, rechargeable, hrga mampu milik, single/double(duet), and boleh padan dgn apa2 handsfree..