3
How to use
PIO state
statement
USB plug to 5V
Device on
USB 5V OFF
Device off
Pairing key long press >6sec
Enter pairing mode from power off
CELL short press
Answer incoming call
Hang up outgoing call or active call
CELL long held( >=1.5sec)
Emergency
VOL+
short press
Volume up
VOL+
long held( >=0.8sec)
Volume up continuously
VOL-
short press
Volume down
VOL-
long held( >=0.8sec)
Volume down continuously
State and LED Flashing Pattern
LED state
statement
Blue led
on : 2 sec , off : 1 sec , repeat
All profiles are standby but not connected with
any Cellphone device yet.
Blue led
flash every 2 sec
A2DP or HFP is connected.
Blue led
flash twice every 2 sec
On A2DP streaming state.
Blue led
on : 1 sec , off : 1 sec , repeat
On active call state.
Blue led
and
red led
flash alternative repeat
Enter pairing mode.
