1-1-8, Sotokanda, Chiyoda-ku Tokyo 101-0021, Japan
Replacing Ear Pieces
• If the ear pieces are not fit in your ears, bass tone may not be heard clearly. To enjoy better
sounds, replace the ear piece sizes or adjust the position and make them fit in your ears.
• At the time of purchase, M size pieces are mounted. If they do not fit your ears, choose the
best size from the provided ear pieces and replace them.
• The sizes of the ear pieces are S, M (mounted at the time of factory shipment), and L.
How to take off the ear pieces
Press the earphone with a hand and take off the ear piece with the other hand by twisting it
together with its shaft.
Note
• If the ear piece is difficult to take off, wrapping it with a dry soft cloth makes it easier.
How to mount ear pieces
Push the ear piece into the protrusion of the earphone and make sure it does not come off
easily.
Caution
• Mount ear pieces firmly into the product. Ear pieces might come off and be left in your
ears. If the ear pieces are left in your ears, contact a doctor.
Power ON and OFF
Auto Power ON/OFF
The earphones are turned on automatically when you take them out from the charging case.
A “Power On” message is heard, and the blue indicators flash. In addition, attaching the
earphones to the charging case turns off the earphones automatically, and their charging
starts.
Note
• Auto Power ON/OFF does not work when the charging case is not charged. When the
charging case is not charged, turn the power ON or OFF manually. See “Manual Power ON/
OFF” below for operating instructions.
Manual Power ON/OFF
Pressing and holding both of the multi-function buttons for 2 seconds turns them on or off.
Once the earphones are turned on, a “Power On” message is heard, and the blue indicators
flash.
When turning off the earphones, a “Power Off” message is heard.
Note
• When both of the earphones are paired through Bluetooth®, pressing either of the multi-
function buttons for 2 seconds turns off earphones simultaneously.
Using the Earphones
Pairing
When you use the earphones for the first time, follow the procedure below to pair them.
1
The earphones are turned on automatically when you take them out
from the charging case.
(You can also turn them on manually by pressing and holding both of the multi-function
buttons for 2 seconds.)
Once both of the earphones are turned on, they start to establish a connection between
the left and right earphones. When the connection is established, the following
messages (“Connected, ” “Left Channel,” and “Right Channel”) are heard in a sequence.
The earphones start pairing with a Bluetooth® device. A “Pairing” message is heard, and
the red and blue indicators on the earphone flash quickly.
2
Following the instructions in your device's user manual, activate
Bluetooth
®
on your device and search for “RZE-BT900E”.
Select “RZE-BT900E” to complete pairing.
• Input the pass code “0000” if required.
Once connected, a “Your device is connected” message is heard from the left earphone.
The blue indicators on both of the earphones flash.
Note
• The earphones are turned off if no device is paired for more than 5 minutes.
Playing music on a Bluetooth® device:
Once your device and the earphone(s) are connected, you can listen to the music through
Bluetooth®.
1
Play the music and operate other functions on your device.
Note
• Use your device to adjust the volume level.
• To pause, press the multi-function button once. To play again, press the button once again.
Pairing for the second time or later
The earphones are turned on automatically when you take them out from the charging case.
The earphones start pairing automatically with the last-paired device.
Disconnecting the Bluetooth® device currently connected
and connecting another Bluetooth® device
Pressing the multi-function button on the left earphone three times disconnects the
currently connected Bluetooth® device. The earphones are in the pairing waiting mode at the
time. A “Pairing” message is heard. Connect the earphones with another Bluetooth® device.
To connect with another device, follow Step 2 of the “Pairing” procedure.
Answering a call:
1
To answer an incoming call, press the multi-function button.
You can use the earphone as a speakerphone.
Note
• To reject a call, press and hold the multi-function button for 2 seconds.
2
To end the call, press the multi-function button.
Dialing a phone number:
1
Once the earphone is paired with a Bluetooth® mobile phone, use the
keypad on your phone to dial a phone number.
2
To end the call, press the multi-function button.
Re dialing a phone number:
1
Pressing the multi-function button on the left channel earphone
twice makes a call to the last dialed number.
2
To end the call, press the multi-function button once.
Voice Control
You can use your smartphone's voice control function with BT900E.
Caution
• Turn on your smartphone's voice control function.
1
Press the right channel's multi-function button 2 times.
Your smartphone's voice control starts and you can hear a signal tone from your
earphones that indicates the start of the voice control.
Speak out loud and describe what you want your smartphone to do or what you want
it to search for.
Caution
• The beep that indicates that the voice control function is on may differ depending on
your smartphone.
• The voice control operations may differ depending on your smartphone.
Charging the device
1
Connect the device to the USB Charge output socket of this charging
case. Charging of the connected device will start.
Note
• The charging status indicator for the case is turned on during the charging the device
and off when the connected device is fully charged.
• The charging status indicator for the case (4 LEDs) shows the current battery capacity
level (such as 25, 50, 75 or 100 %).
• Charging may not be possible for devices with a low current capacity (battery capacity
of about 100 mAh or less).
Specifications
Bluetooth®
section
Bluetooth® spec.
Version 5.0
Supported profile
HFP, HSP, SPP, A2DP, AVRCP
Service distance
Up to 10 m
General
Frequency response
20 Hz - 20 kHz
Battery
Internal lithium polymer ion battery
Charging case: 2200 mAh / Earphone: 45 mAh × 2
Charging time
Charging case: Approx. 2.5 hrs / Earphone: Approx. 1.5 hrs
Charging voltage
DC 5V (Micro USB charging)
Charging output
DC 5V, 1.0A max. (USB output)
Operating time
Bluetooth® music play time: Approx. 4 hrs at 50% volume level
Dimension
Charging case: 92.5 × 60 × 37.2 mm (W × H × D)
Weight
Charging case: Approx. 96.2 g / Earphone: Approx. 5.2 g × 2
Drive impedance
32 ohm
Accessories
Micro USB cable × 1, Earpiece S/M/L × 1 set, Operation manual × 1
This user manual may be changed without prior notice to improve product performance.
The images included in this guide may differ from the actual image and may change without
notice.
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