hands free ,handset and loudspeaker 指的是手机的什么model?

hands free ,handset and loudspeaker 指的是手机的什么model? 英语翻译There was something to be said for the old-fashioned landline,with a handset so bulky,you had to tuck it between your neck and shoulder to get your hands free. suspend hands-free Hands-free and eyes-free Hands-free and eyes-free operations increase productivity,safety,effectiveness cellular hands free speaker phone英文翻译 hands-free mobile phone for vehicles如题翻成中文 hands free 什么意思雅虎聊天室里面的hands free什么意思?怎么给房间里面的人放歌 hands 英语翻译handset check tel line connect handset failure什么意思 英语翻译1.Hands-Free Communication System2.Cargo net3.Power Rear Qtr Windows& Double Sunvisor Free free free free free free free