runner plug

例句：

1. 1. The runner plug is a device that allows you to connect your phone to your running watch.
   跑步者插头是一种允许您将手机连接到跑步手表的设备。
2. 2.This runner plug has a built-in speaker and microphone, so you can talk to your coach without taking your phone out.
   这种跑步者插头内置了扬声器和麦克风，所以您可以在不拿出手机的情况下与教练交谈。
3. 3. The runner plug is designed to fit snugly into the charging port of your phone, ensuring a secure and convenient connection.
   跑步者插头设计得可以紧密地插入手机的充电端口，确保安全且方便的连接。