iSkin CERULEAN F1 User Manual

Play/Pause 

Press the Multi-function button once for each command 

Press / Release

Stop playing 

Press and Hold Multi-function button until music stops 

Press / Hold / Release

Skip to next track 

Press the Next Track button 

Press / Release

Skip to previous track 

Press the Previous. Track button 

Press / Release

Control volume 

Control volume Up/Down 

Press either the “+” or “-” on the Volume Control button 

Press / Release

To: 

Do this: 

Remote Functions

 

Multi-function Button 

Next/Previous Track Button 

Volume up/down

The above functions require an iPod equipped with the CERULEAN TX Bluetooth transmitter or a device with AVRCP Bluetooth support (See your 

device’s manual. Compatibility may vary).

User’s Guide

Redial Last Number* 

Press and Hold the Multi-function button until beep 

Press / Hold / Release

Activate Voice Dial* 

Press the Multi-function button 

Press / Release

Answer Incoming Call 

Press the Multi-function button 

Press / Release

Reject Incoming Call* 

Press and Hold the Multi-function button until beep on incoming call 

Press / Hold / Release

Terminate Current Call 

Press the Multi-function button during call 

Press / Release

Mute Mic ON/OFF 

Press either the Next or Previous Track button 

Press / Release

Cancel outgoing call 

Press and Hold the Multi-function during outgoing call 

Press / Release

Transfer call to/from phone* 

Press Multi-function button during call until beep 

Press / Hold / Release

Call Waiting * 

Press and Hold the Next/Previous Track button during first call until beep 

Press / Hold / Release 

Toggle between Calls* 

Press and Hold the Next/Previous Track button during call until beep 

Press / Hold / Release

To: 

Do this: 

Headset Controls

(Answer second  

incoming call)

 

Multi-function Button 

Next/Previous Track Button

The above functions require a device with HFP and HSP Bluetooth support (refer to your device’s manual). *Dependent on mobile phone features.

General:
Bluetooth version 

2.0, Class II

Bluetooth Profile Support 

A2DP / AVRCP / HSP/ HFP

RF Frequency 

2.4GHz / 79 Channel / AFH

Operational Range 

Standard 33 feet (10 meters)*

Talk Time (Headset ) 

max.10 hours*

Music Listening (Earphone)  max. 8 hours*
Standby Time 

up to 300 hours

Battery Charge Time 

2.5 hours (Lithium-Polymer)

Power / Charging Method 

(USB) 5V, 300mA / DC

*May vary depending on user habits.

Earphone Driver Unit:
Diameter  

<15mm

Frequency Response 

20Hz ~ 20KHz

Sound Pressure Level  93dB @ 1KHz
Impedance 

16 @ 1V, 1KHz

Power Rating 

5mW (Max)

Other:
Microphone 

Typical : ECM unit (110dB)

S/N Ratio 

Up to 58dB

Dimensions 

 47mm x 25mm x 23.5mm

(L) x (W) x (H)
Weight 

35g (approx.)

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. 

and any use of such marks by iSkin Inc. is under license. iSkin and CERULEAN are trademarks of 

iSkin Inc., registered in Canada, the U.S. and other countries.

Light flashes quickly  

repeatedly. 

(Discoverable)

Occurs when the CERULEAN TX is connected to iPod  

or computer.

Light flashes very quickly, 

pauses and repeats.  

(Auto-reconnect)

Occurs when the CERULEAN TX has previously 

connected to a CERULEAN F1 or Bluetooth device  

and has lost connection.

STATUS 

DEFINITION

ON

OFF

Light flashes  

slowly repeatedly.  

(Paired / Connected)

Occurs when the CERULEAN TX has been successfully 

paired with a CERULEAN F1 or Bluetooth device.

If the Status LED on my CERULEAN F1 is not on or flashing. 
Check that the CERULEAN F1 is powered on. If the power is on but the LED light is off, then try 
charging the unit as described in this manual.

If crackling noises and/or interruptions occur when listening to the CERULEAN F1. 
Bluetooth is a radio technology. It is sensitive to environmental conditions and objects that may  
interrupt the signal. Cordless phones, wireless internet routers or any device that operates on  
wireless frequency of 2.4GHz may cause some interference. To ensure clear sound, use the device 
within the operational range and conditions specified in this manual.

If you experience difficulty pairing the CERULEAN F1 with a Bluetooth device. 
Make certain that the device you are attempting to connect to is compatible with the Bluetooth 
profiles supported by the CERULEAN F1. Check that the CERULEAN F1 is set to discovery mode as 
explained in this manual. Make sure there are no other Bluetooth devices that may be attempting  
to pair with the CERULEAN F1.

If no sound can be heard from the CERULEAN F1. 
Verify that the CERULEAN F1 is properly paired with the CERULEAN TX and that the device is set to 
and capable of outputting audio via Bluetooth. Check the volume levels on both the connected 
device and the CERULEAN F1.

Note: The Serial Number is located in fine print on the inside of the RIGHT (R) ear piece  
and rear of the TX.
If the CERULEAN F1 or TX does not seem to function correctly, consult the Troubleshooting 
section of this guide and/or visit iSkin.com for further online resources. If the unit 
continues to malfunction, visit iSkin.com and check the warranty section for information.

Enables the CERULEAN F1 to receive stereo audio wirelessly from any (A2DP) Bluetooth device. 

Enables the CERULEAN TX to transmit stereo audio wirelessly via Bluetooth.
Enables the CERULEAN F1 to remotely control specific features of any (A2DP) Bluetooth device. 

Enables the CERULEAN TX to receive remote control commands via Bluetooth to control the iPod.
Enables the CERULEAN F1 to act as a wireless mono headset for taking phone calls via a Bluetooth mobile phone.
Enables the CERULEAN F1 to remotely make, answer or terminate a call on a Bluetooth mobile phone.

Turn power on/off: 

Slide the ON/OFF switch to the desired position 

Make discoverable 

PRESS and Hold the Multi-function button then slide ON/OFF  

(enter pairing mode) 

switch to ON position

Make undiscoverable 

PRESS the Multi-function button once 

(exit pairing mode)

Reconnect to paired device 

Set the ON/OFF switch to the ON position and Press and Release the  

 

Multi-function button once. Must be initially paired with a device.

To: 

Do this: 

Headset Controls

 

Multi-function Button 

ON/OFF Switch

Printed in China

F1

F1

F1

TX

The RIGHT earpiece contains all 

controls including the power switch.
The LEFT earpiece contains the 

lithium battery.

Switches and Controls  

(Right Earpiece)

Status LED 

Light

Volume 

Controls

Mini USB 

Port (Type A)

Next/Previous 

Track

Power 

ON/OFF

Multi-function 

Button

Mic

The CERULEAN F1 is both a stereo Bluetooth® earphone and a mono headset. As a stereo 

earphone, you can connect to a stereo Bluetooth (A2DP) audio device or iPod® (equipped with 

the *CERULEAN TX) and listen to your audio wirelessly. As a mono headset, you can connect to 

a Bluetooth mobile phone, accept or reject calls and access other call features.
The CERULEAN F1 uses standard Bluetooth 2.0 defined profiles making it capable of 

interacting with other Bluetooth devices. These profiles allow it to remotely control specific 

features of a device, act as wireless stereo earphones and also act as a wireless mono headset 

for a mobile phone.

Supported Profiles.