Audio-Technica ATH-S220BT Wireless On-Ear Headphones (White) - Manual (Page 19)

Using the product
19
Wired connection (playthrough function)
The product has a playthrough that allows you to use it as portable headphones and play back music even when there is
no battery power. You can connect the connector plug of the included cable to the product’s connector jack, and then
connect the input plug into a portable audio player. The buttons on the headphone cannot be used for operation when
using a wired connection.
2 3 4 1
1 Smartphone, portable audio player, etc.
2 Input plug
3 Connector plug
4 Connector jack
Using the cable with in-line mic and control
1 2
1 Control button
2 Microphone