Audio Technica ATH-M20 BT Series

18
Indicator lamp display
The indicator lamp of the product indicates the product’s status.
Pairing
Status Indicator lamp display pattern
Searching for devices
○-○-○・・・
Flashing white (gradually lighting up)
Connecting
Status Indicator lamp display pattern
Waiting to be connected
○--------○--------○・・・
Flashing white in 8-second intervals (gradually lighting up)
Connecting
○----○----○・・・
Flashing white in 4-second intervals
Music is playing
○----○----○・・・
Flashing white in 4-second intervals (gradually lighting up)
Battery level
Status Indicator lamp display pattern
Battery level is low
●●●----●●●・・・
Flashing red 3 times in 4-minute intervals
Charging
Status Indicator lamp display pattern
Charging
●
Lit red
Fully charged
●
Off
Charging error
●-●-●・・・
Flashing red