voice-activated
adjective uk/ˈvɔɪsˌæk.tɪ.veɪ.tɪd/ us/ˈvɔɪsˌæk.tɪ.veɪ.t̬ɪd/
（机器或者系统等）声控的;可以用语音发出指令的
Voice-activated machines, systems, etc. work when you speak instructions to them.
voice-activated computers 声控电脑
The phone has voice-activated dialling. 这部电话有声控拨号功能。