These 4-way cables are specially designed to connect a telephone unit to its handset. Each end features a 4-contact receiver socket., Złącze A = Wtyk RJ9, Złącze B = Wtyk RJ9, Długość = 1.5m, Kolor koszulki = Czarny, Typ złącza B = RJ9, Typ złącza A = RJ9