Guoguang Electric BT188 User manual

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Waterproof Wireless Speaker User Manual
BT188
Introduction
Thank you for purchasing this product. You can use this item with iPads , iPhones, iPods and many types of
smartphone to stream music, and enjoy handsfree calling. In order to get the best results when using the
device, please read this manual first before using.
Features&Specifications
Features:
Soothing sound quality
Built-in Mic for hands-free calling
TWS Technology - Connect 2 speakers wirelessly and play as 2.0 Speaker
IPX6 Water Resistant standards
Multiple Playback Options –BT | TF CARD | AUX
Volume and Multimedia button functions
Play music wirelessly from any BT enabled devices
Convenient carry strap
Specifications:
Bluetooth version: 5.0
Loudspeaker: 4Ω/ 10W
Built-in battery: 7.4V, 2500mAh
Dimensions: 190*86*68 mm
SNR: >80dB

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Bluetooth Frequency: 2.402-2.480 Ghz
Wireless Transmission Distance: up to 10m
Charging time : Approx. 6 hours
Working time: Approx. 5 hours(50% volume)
Weight: 0.6kg
Speaker dimension: 45 mm
Charging: 5 V, 2A
Controls
Power On / Off / Mode | Volume- / Previous Track | Volume+ / Next Track | Play /
Pause / Call / TWS
Inputs
BT | TF CARD | AUX
Package contents
Speaker-------------------1pc
Charging cable----------1pc
AUX cable----------------1pc
User manual-------------1pc
Important Safety Precautions
When using your Bluetooth Mobile Speaker, basic safety precautions should always be followed, including
the following:
•Keep this product and its accessories away from excessive heat.
•Do not operate this device with a damaged cable or after it has malfunctioned or has been damaged in
any manner.
•No sharp object should be subjected to the speaker/speaker-drivers as it may damage the speakers.
•Only use a soft cloth, no harsh abrasives or chemicals to clean, as it may damage the surface finishing.
•Ensure the speaker is waterproof by removing all the connected cables and the cap is tightly closed before
exposing the speaker to liquid.
•Do not expose the speaker to water while charging, as doing so may result in damage to the speaker or

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the power source.
•IPX6 - Protection assured against light splashing of water. Must not immerse in water.
A Quick Look At Your Speaker
1. Power On/Off/Mode: Long press to power On/Off. Single press to change mode.
2. Prev / Vol - :
MSD/BT mode: Single press to decrease volume and long press to select previous song.
AUX mode: Single press to decrease volume.
3. Next / Vol + :
MSD/BT mode: Single press to increase volume and long press to select next song.
AUX mode: Single press to increase volume.
4. Play/Pause/Call:
Single press to play/pause in MSD/BT mode and mute/unmute in AUX mode. Long press to
disconnect with existing BT connection.
Call functions –Single press to rec/end a call. Double press to redial. Long press to reject
incoming call.
TF card Slot: To connect TF card as source input
AUX Slot: To connect AUX input
5V DC: To charge the speaker using given charge cable
Operations:

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Powering ON/OFF
Press and Hold "ON/OFF" button 3 seconds to power on and power off.
Pairing
The unit will automatically go into Pairing Mode when it is powered on, the
LED light will blinking in blue to indicate that you have entered pairing status.
Go into your Bluetooth device settings menu and look for“BT188”,
once paired, the blue LED light will stay illuminated in blue and you can use
your units to listen to audio from you Bluetooth sound source.
Press and hold the Bluetooth button to disconnect the Bluetooth.
Making and Receiving Phone Calls
When the unit is connected and paired to your device,
the unit allows you to make or receive phone calls with its
built-in microphone
Press“ ”shortly to accept and end a call.
To reject a call, press and hold“ ”2 seconds.
When using both units, you must only do this on the master(left) unit.
Aux-In Mode
Plug in the supplied 3.5 mm cable into the unit. The other end is
connected to your device. The green LED will stay illuminated.
It means in Aux-in mode.
Please note music can be controlled by your device.
In Aux Mode
Press shortly “ ” to increase the volume
Press shortly “ ” to lower the volume
Press shortly “ ” to mute AUX function
TF card Mode
Plug in TF card into the unit. The green LED will stay illuminated.
It means in “TF card”mode.
Please note music can be controlled by your device.
In TF card Mode
Press shortly “ ” to increase the volume
Press shortly “ ” to lower the volume

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Press shortly “ ” to mute TF card function
Note : When in TF card mode, press " " to enter into Bluetooth mode
TWS function
The units are intended to be linked together so as to experience True
Wireless Stereo sound via Bluetooth.
1. First make sure that the units do not have an active Bluetooth connection
with a mobile device.
2. Power on both units, press the play/pause button on one of them to initiate the
automatic pairing mode between the two units, the master(Left) unit LED blink
blue when pairing, there is tone after TWS paired.
3. After slave(right) unit paired, the master unit will blink blue, the slave
unit will glow yellow.
4. The master unit connected with the mobile device, both the master and slave
units stay illuminated in yellow.
5. Playback function remain accessible in either unit, phone commands,
however, they are available only through the master(left) unit.
Unpairing both speakers
To un-pair both the speakers, long press Play/Pause button, both the speaker will
break the connection between them and both will be available for individual connection
in BT mode and we can use them as two separate speakers.
Charging Instructions
1. Please use the package provided charge cable for charging this speaker.
2. The Red LED indicator indicates the battery charging status. The LED will stop glowing
once the speaker gets charged completely.
3. Charging time may increase if music played and kept for charging simultaneously.
4. Suggest to charge each 3 months for the units if product out of service
for a long time.
LED Indications
MSD mode –Green LED Constant
AUX mode –Green LED Constant
Bluetooth pairing mode –Blue LED Blinking
Bluetooth paired mode –Blue LED Constant
Charging –Red LED Constant
TWS paired mode –Master Speaker will Blink Blue and Slave Speaker will glow yellow.
TWS paired with BT Device –Master and Slave Speaker will glow yellow.

FCCWarningStatement
Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould
voidtheuser’sauthoritytooperatetheequipment.Thisequipmenthasbeentestedandfoundto
complywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.These
limitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential
installation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergyand,ifnot
installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio
communications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,
whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto
correcttheinterferencebyoneormoreofthefollowingmeasures:
‐‐ Reorientorrelocatethereceivingantenna.
‐‐ Increasetheseparationbetweentheequipmentandreceiver.
‐‐Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris
connected.
‐‐ Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing
twoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause
undesiredoperation.
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