H? tr? c?i thi?n ch?t l??ng và s? l??ng tinh trùng, giúp t?ng ?? ??c tinh d?ch c?ng nh? t?ng c??ng kh? n?ng v?n ??ng tinh trùngDistinctive conversation protocol in excess of the ability cable. Lets full Charge of related Duratech products with an individual cable.Kevlar®-cored coil strap will not absorb humidity like typical nylon cored coils