3
1
2
3
4
5 7
9
10
11
12
13
14
2
86
The product illustrations may differ from 
the actual product.
Part names
The rechargeable battery (installed in the unit) is not charged initially. Charge 
the battery before using the unit.
1
Connect this unit to a computer 
using the USB charging cord
 • Within approximately 3 seconds after 
the connection is established, the LED 
on the right earphone will light in red.
 • The LED lights in red when charging 
is in progress. When charging is 
completed, the LED will go out.
 • Charging will take approximately 
1.5 hours from empty state to fully 
charged. (Quick charging time 
for 70 minutes operation: Approx. 
15 minutes)
Right earphone
Computer
LED
USB charging cord (supplied)
 ■
Note
 • The Bluetooth
®
 feature cannot be used when this unit is connected to a computer 
using the USB charging cord.
 • Charge in a room temperature between 10 °C and 35 °C. Outside of this range 
of temperatures, charging may stop.
 • The power cannot be turned on while charging.
 • Do not use any other USB charging cords except the supplied one.
Caution: Use only the supplied USB charging cord when connecting to a 
computer.
Charging
Preparation
1
Press and hold   for approximately 
3 seconds
 • A beep will sound and the LED on the right 
earphone will blink.
Power
LED
To turn the power off
 • Press and hold 
 for approximately 3 seconds.  
A beep will sound and the power will be turned off.
 ■
Note
 • When the unit is not operated for approximately 5 minutes, the power will 
automatically turn off. (See “Auto power off” (→ P. 6))
Turning the power on/off
1
Right earphone
2
USB lid
3
Earpiece
4
Left earphone
5
Cord adjuster
6
Clip
7
Remote controller
8
LED illumination
9
LED indicator light*
 • The number of blinks or colour 
notifies the status of the unit.  
(* hereafter referred to as “LED”)
10
Charging terminal (DC IN)
 • Open the USB lid and connect 
the USB charging cord 
(supplied) to this terminal when 
charging. (See “Charging”)
11
Microphone
12
Volume +/Next
13
Power/Pairing/Play/Pause/
Call 
14
Volume –/Previous
 ■
Note
 • Do not use any other USB 
charging cords except the 
supplied one.
 • When using the unit, do not cover 
the right housing with the palm 
of your hand. The Bluetooth
®
 
connection may be blocked.
Remote controller
Right earphone