GSOU Technology BT220 User Manual

U220 User Manual

1. Preface

Thank you for purchasing the Gsou U220 portable stereo Bluetooth®
speaker. Please take the time to follow the instructions in this user manual
carefully. If you have any questions , please call our national service
hotline: [phone]

2. Warnings and Cautions

1. To reduce the risk of fire or electric shock, be sure the electrical circuits
are not overloaded.

2. To reduce the risk of electronic shock, be sure not plug the adapter with
wet hands.

3.Unplug the power cable if your device is smoking or abnormal and seek
professional help from your nearest service center, be sure not detach the
device yourself.

4.To reduce the risk of fire or electric shock, do not expose this product to
rain or moisture. Liquids can cause a failure and/or a fire hazard.

5. In order to prevent a short circuit , the power cable and audio cable
should not be twisted or dragged in case of short circuit.

6.Do not place the speaker near any open flame sources, such as lighted
candles.

7. The safety temperature of Lithium Battery should not exceed 80℃

3. Standard Accessories

U220

Bluetooth® speaker

Micro USB

charging cable

3.5mm

Audio cable

Protective cover

(Optional)

User Manual

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① Power on / Off : Red light flashes means your speaker needs to be charged , Red indicator

is on when charging , and off when fully charged .

② Play / Pause button
③ Bluetooth status indicator , Answer/reject call

1.Blue indicator flashes : Indicates that device is waiting for a connection

2.blue indicator remains steadily on : Indicates that device is connected to an Aux in devices

3.Short press the hand free key to answer an incoming call and short press it again to

hang up

④ Mic
⑤ Previous / next track , Volume Up / down : short press is for next track , long press is for

increasing volume

⑥ Previous / next track , Volume Up / down : short press is for previous track , long press is

for decreasing volume

⑦ AUX in Jack：Connect the U220 with your PC, MP3/mp4 player, Tablet, Mobile and other
playback devices with 3.5mm jack by audio cable and U220 will disconnect the Bluetooth®

automatically

⑧ Reset Button : If the speaker is unresponsive, use 1.0mm pin or probe to press reset button .
⑨ DC IN

5. Indicator instruction4. Structure Introduction

7

8

9

Blue indicator flashes

Blue indicator

remains steadily on

Low power indicator

flashes

Red charging

indicator light

status of waiting for connecting

connected to Bluetooth® source or connected

to aux in devices

battery voltage lower than 3.3V , Red light

flashes means your speaker needs to be charged

Red indicator is on when charging , and off when

fully charged .

6. Operation steps

1. How to connect your U220 with Bluetooth-enabled playback

devices?

① Be sure your speaker battery has sufficient power.

②Turn on your speaker and it will be in Bluetooth mode automatically

and ready for connecting. The blue indicator flashes

③Open the Bluetooth® on your mobile, search the “Gsou U220” device

and connect to it. No password is needed for most of Bluetooth playback

devices, but due to varying Bluetooth versions, sometimes, you need to

input the default password “0000”(four zero) if required.

④ Blue light remains steadily on to indicate successfully connected.

⑤Run the music player of your mobile, and enjoy the loud but clear

sound from your U220.

⑥You need to disconnect the previous pairing Bluetooth® device , then

other mobiles can be available

2. How to connect the U220 with your notebook PC by Bluetooth®?

（1）connecting to a Bluetooth® enabled notebook.

①Start your notebook, and search for the Bluetooth® device by

“Start—Setting—Control Panel”.

②Start the Bluetooth® searching function of your notebook, blue light

flashes when searching the Audio-in devices.

③Blue indicator light remains steadily on after connecting successfully.

（2）Connecting to a notebook without Bluetooth® function.

Please buy a Bluetooth® adaptor separately. We suggest an adaptor with

Bluetooth version 4.0 for the high quality audio experience. After

installing please start the Bluetooth® from the “Control Panel” or the

shortcut on your pc desktop, please search for connecting, and the

instruction steps are the same as the first case.

3. How to play music via AUX-in?

①Make sure your speaker power on

②Your U220 comes with a standard 3.5mm Aux in jack for connecting

with other non-Bluetooth audio devices,eg mobile phones,mp3/mp4

players.pc. tablet pc and etc.

③Your speaker will disconnect the Bluetooth®, switches to the external

source play, as the external source of AUX-in mode is prior

④Have connected the AUX model before you use the speaker , needs

switch to other play mode . Please short press M key , turn the present

mode to the other you wanted .

⑤Long press the Volume Up / Down to operate your speaker

7. How to charge

Using a USB cable to connect to a computer or buy USB charger

Contact Us

Gsou Technology (Shenzhen)Co.,LTD
Add:14c, Block A, First World plaza, No.7002 West Hongli Road,
Futian District, Shenzhen, China.
Tel: [phone] Fax:[phone]

E-mail: [e-mail]
Website: www.gsoutech.com

8. Specifications

Bluetooth version

Bluetooth profiles

Working distance

Loudspeaker

Frequency response

RMS

Sensitivity

S/N ratio

Distortion

Battery

Working voltage

Charging voltage

Charging current

Size

Net Weight

4.0

A2DP,AVRCP,HFP,SPP,BAS,DIS,FMP,HRP,HRS,HTP,

HTS,IAS,LSS

about 33 feet

ø45mm 4Ω / 5W

100HZ - 20KHZ

5W x 2CH

80db

≥ 60db

≤0.4%

Built-in 1000mAH rechargeable lithium battery

3.7V-4.2V

DC 5V /1A

400-500mA

L160*W60*H28 mm

276g

9. Trouble shooting and FAQ

1. Bluetooth Pairing and Connecting

• Pairing occurs when two Bluetooth® devices communicate with each
other and establish a Connection .

• Connecting occurs when two Bluetooth ®devices are matched and

ready to share data .

• The two devices can be shared under the connecting status , pairing

speaker can not work .

2. Your mobile search the Gsou U220, but the speaker it’s not playing

• Make sure your speaker is in the Bluetooth mode

• Remove the speaker from the other pairing device then pair the mobile

and the speaker again

• Make sure you have connected the two devices

3. After Installing the USB Bluetooth adapter on the PC , the PC still
can not connect with the speaker

• Make sure your Bluetooth adapter is functioning properly .

• On the PC , right-click on the Bluetooth icon and select the option to

add a new connection or device , which will make the computer search for
available Bluetooth devices .

• Make sure your use “ Bluetooth AV audio” instead of “ Realtek HD
audio output” on your PC

• Restart your PC and search for connections again

• Turn your Bluetooth speaker off and back on

4. Audio is intermittent after establishing a Bluetooth connection

• Make sure your music file is not of poor quality

• Please make sure there is no barrier between the two devices, e.g. Metal
objects , walls and other obstacles .

• Move your Bluetooth device and /or Gsou U220 speaker from any

device that generates electromagnetic interference, such as another
Bluetooth device, cordless phone, microwave oven or wireless router.

* Kindly Reminder

1. In order to save electricity and protect the environment, the
loudspeaker supports Intelligent sleep mode when the power is on. If the
speaker still has not connected automatically within 15 minutes , please
restart your speaker .

2. Compatibility: This speaker is compatible with most major brands and
models of Bluetooth mobile phones. However, there may be a few

individual Bluetooth mobile phones with which it is not compatible. If you
experience any compatibility issues with this speaker, please call our
customer service hotline for help.

10. Limited Warranty 12. FCC Warnings

Your Gsou U220 Bluetooth® speaker is covered by a limited warranty. It is

backed by 1 year performance warranty against any manufacturing

defects in material or workmanship from the date of original purchase.

This warranty entitles the purchaser to get the product repaired or

replaced under the following conditions:

◆The warranty applies to the original purchaser, Proof of original

purchase is required

◆The warranty does not cover the damage caused by misuse, abuse or

improper storage.

◆In no event shall Gsou be responsible for any direct, incidental,

consequential or other damages of any kind.

11. Statement

The Gsou trademark and logo are registered trademarks of Gsou

Technology (Shenzhen)Co.,Ltd. All Rights Reserved. All other trademarks,

logos or service marks are the property of their respective owners.

This device complies with Part 15 of the FCC Rules. Operation is subject to

the following two conditions:

(1) this device may not cause harmful interference, and (2) this device

must accept any interference received, including interference that may

cause undesired operation.Changes or modifications not expressly

approved by the party responsible for compliance could void the user's

authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

generates, uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause harmful

interference to radio communications. However,there is no guarantee that

interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television

reception,which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

more of the following measures:

-- Reorient or relocate the receiving antenna.

-- Increase the separation between the equipment and receiver.

-- Connect the equipment into an outlet on a circuit differentfrom that to

which the receiver is connected.

-- Consult the dealer or an experienced radio/TV technician for help.

FCC RF warning statement: The device has been evaluated to meet

general RF exposure requirement. The device can be used in portable

exposure condition without restriction.