i Tech Dynamic Global Distribution B8900 Users Manual

FreeStereo Twins

1. Notice Before Using

2. Specification

 Bluetooth specification: V4.1

 Operation frequency: 2.402-2.48GHz

 Supported profile: HSP, HFP, A2DP, AVRCP



Operation range: Up to 10 meters



Play time: 2.5 hours (one time charge)

TWS Bluetooth® Headset

User manual

Thank you for purchasing the FreeStereo Twins Bluetooth® stereo headset . Please
read user's manual completely before you use the Headset.
FreeStereo Twins designed for listening the high quality music with the latest True
Wireless technology. FreeStereo Twins can be connected to a mobile phone easily
for music listening and call conversation, it is also capable to connect to the other
Bluetooth®-enabled devices like Notebook, iPod or Tablet device, etc.
FreeStereo Twins is compliant with Bluetooth V4.1 specification, supports HSP, HFP,
A2DP and AVRCP profiles.

Headset

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

Standby time: 100 hours

 Charge time: < 2 Hours

Backup Battery

 Backup Battery: 380 mAh, 3.7V, Polymer Li-ion Battery



Extra Play time: 6 hours

 Extra Standby time: 380 hours

 Charge time: 2 Hours

3. Package Contents List

1) FreeStereo Twins Bluetooth® headset L (1)

2) FreeStereo Twins Bluetooth® headset R (1)

3) Charge Box (1)

4) USB Charging Cable(1)

5) User's Manual(1)

4. FreeStereo Twins Bluetooth® Headset

Please inspect this package and refer to the package contents list below to verify all
items were included in this package:

Overview

(全视角插图及按键、功能部位注释)

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5. Battery information

The device is equipped with integrated lithium-polymer battery. The battery cannot

6. Charge the battery



Put the headset(s) into the groove charge box with. The red indicator light

be replaced. Do not attempt to remove the battery from the device since it would
damage the device. The full performance of a new battery is not achieved until after
two or three complete charging-discharging cycles. The battery can be charged and
discharged several hundred times, but it looses its capacity over time.

Important:

Ensure that the battery is fully charged if you do not use the device for a long period
of time. To avoid a complete discharge of the battery, the device should be charged
at least every 6 months.

The FreeStereo Twins is operated with rechargeable battery. Charge the battery
completely before its first use. The headset and the charge box are built-in exclusive
battery. The charge box can be the backup battery for the the headset(s) when it is
charged fully.

[Charge the headset]

will turn on.

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

To charge the battery fully may take 2 hours.

 When the battery is fully charged, the red indicator light will turn off. The

headset(s) is ready to use.

 Connect USB cable to the micro USB port of the box and a general USB

 To charge the box fully may take 2 hours. The red indicator will turn on

 When the battery is fully charged, the red indicator light will turn off.

[Charge the box]

power supplier.

during charging.

Disconnect the cable from the box.

NOTE:

- The fully charged headset(s) brings up to 2 hours of music playing time, and 100
hours of standby time. The charge box can provide 3 times extra recharges for the
headsets.

- he talk and standby times may vary when used with different mobile phones or
other compatible Bluetooth® devices, usage settings, usage styles, and
environments. When the headset(s) is battery low, the headset will remind you by
prompt tone every 20 seconds, and the red indicator light starts to flash.

- For using the FreeStereo Twins with iPhone, an additional battery meter will be
activated and the remaining battery capacity will display on your iPhone.

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