This brand's cell phones usually have their ir, or Bluetooth interface in its the lower end.

这个牌子的手机下端一般有红外或蓝牙接口。

youdao

This brand's cell phones usually have their ir, or Bluetooth interface in its the lower end.

这个牌子的手机下端一般有红外或蓝牙接口。

youdao