HANDS-FREE ACCESS免提开启功能;无钥匙进入;行李箱免提开闭功能;开启功能
car hands-free车载免提
Hands-free slow手慢无
Hands-free Headset耳机
hands-free device免提装置
Hands-Free HF免提
Hands-free kit免提设备
Hands-free operation免提操作;解放双手操作
ADJ（形容词） A hands-free telephone or other device can be used without being held in your hand. 免提的 [ADJ n]
...legislation to ban both handheld and hands-free cellphones in moving vehicles.
…禁止在行驶车辆中使用手持式和免提式手机的法规。