sluchátko znamená v angličtina

handset [handsets]▼(the part of a telephone containing both receiver and transmitter, held in the hand)
noun
[UK: ˈhænd.set] [US: ˈhænd.ˌset]

receiver [receivers]▼(telephone handset)
noun
[UK: rɪ.ˈsiː.və(r)] [US: rə.ˈsiː.vər]