
Charging the headphone
The headphone contains a lithium rechargeable battery. Charge the headphone by using the USB to
micro USB cable.
Open the cover of the USB charger connector.
Connect the small end of USB cable to the headphone, then connect the large end to the
adaptor and plug into AC outlet.
Make sure that the indicator (red) on “Power” button lights up.
Charging is completed in about 2.5 – 3 hours* and the indicator (red) goes off automatically.
*Time required for charging the empty battery to its full capacity.
Using the headphone
Open and Pair the headphone
Press the “Power” button for 1.5 seconds to turn on headphone.
Turn on the Bluetooth function of your device and select “Arc Laetus” from the device list.
If your device requires a password, enter “0000”.
When the pairing is completed, the voice indicator will say “connected”.
Wear the headphones
Slide the earcups to fit your size.
Use the letters “L” and “R” to distinguish left and right.
Playback music on the headphone
Play music on the paired device.
Adjust the volume on the paired device.
To increase the volume, press “+” button repeatedly until the volume reaches a desired level.
To decrease the volume, press “-” button repeatedly until the volume reaches a desired level.
When volume reaches the maximum level, music will fade-out, the voice indicator “Maximum
Volume” sounds, then music will fade-in again.
Move a track forward, press and hold “+” button for 2 seconds.
Move a track backward, press and hold “-” button for 2 seconds.
Make Phone calls on the headphone
Making a call
Dial at the paired device.
Press “+” or “-” button to adjust the volume.
To end a call by pressing “Phone” button.