User’s Manual for the Bluetooth Speaker QBT-340
Distinguished Customers,
Thank you for purchasing a Pure Acoustics Extreme Bluetooth Audio speaker QBT-340. Before getting started, please
read the user's manual carefully so as to ensure proper operation and optimized performance of this product. With
stylish outer appearance, compact structure, high fidelity sound and multi-functionality, it has obtained patents
concerning its outer appearance and adopted advanced electric and sound technology in the industry, ultimately making
itself the best choice to hook up with your devices such as tablet, cellphone and digital music player etc. perfectly by
presenting you exceptional stereo effect either you are at home, on vacation or at work.
I. Precautions
Please store and use this product at the ambient temperature;
Do not expose this product to the rain or damp surroundings;
Prevent this product from falling that could result in serious damage;
Do not dismantle, repair or modify this product on your own;
In order to avoid any risk, do not dispose this product inappropriately or toss it into the fire as there is a built-in
lithium battery.
II. Considerate Hints
1) Do not turn up the volume to a fair high level constantly as this could shorten the service life of this product or
impair your hearing;
2) When encountering any fault during operation, please cut off the power supply and disconnect the USB cable to
prevent further damage to the speaker or other components;
3) The Bluetooth transmission range or connectivity could be affected by low battery power. In that case, please
recharge immediately.
III. Outer Appearance and Function Buttons
USB5V
iPhone / iPad holder
Bracket
/ /Pause/Play/Pick up the call: Press this button to pause, to resume normal operation or Answer/End calls in
Bluetooth playback mode.
IV. Product Parameters
Product Model：QBT-340
Bluetooth Specifications：Bluetooth V2.1+EDR
Transmission Distance：≤10M (depending upon operation environment and devices to which it connects)
USB Recharge Voltage: DC 5V
Built-in Battery: Lithium battery
Output Power: 3W×2
Frequency Response: 90Hz-20KHz
Sensitivity: 80db±2db
Signal to Noise Ratio (SNR): ≥76dB
Product Dimensions: 271×69×43MM
Total Net Weight: ****g
V. System Composition
1） Speaker 1set
2） 3.5 Audio Cable 1piece
3） USB Power Cable 1piece
4） User's Manual/Warranty Card 1copy
VI. Connection Schematic
（completed by artist）
VII. Common Function Description
Power-on Status: Press the Power Button to turn the speaker on and it beeps simultaneously with the blue indicator
flashing. The volume is set to 60% by default.
Bluetooth Connection: Once switched on, the speaker starts searching for other Bluetooth devices automatically and at
the same time, the blue indicator goes on and off. When a Bluetooth device is found, the
speaker prompts whether to pair up or not. Select yes, QBT-340 will pair up with the device, the
blue indicator flashes slowly and a beep is generated by the speaker. If paring fails to detect any
other Bluetooth device within 5minutes, the speaker will shut itself down. Turn it back on again
to search again. All the paired devices will engage in automatic connection when the speaker is
turned on.
Hints: Recharge the battery if connection is lost or if paring fails constantly.
Bluetooth Music Playback: When connected, the speaker plays music immediately.
Answering and Ending calls: After successfully pairing a mobile device, the speaker beeps when a call comes in. Press
to answer the call press again to end the call.
Speaker
Driver
Speaker
Driver
pick answer, press once more to end the call.
AUX Playback: Use the supplied audio cable to connect the speaker to the music source (i.e. computer, iPod, iPhone,
iPad etc...) by inserting one end to the speaker's AUX port and the other end to the music player's audio
port. When the music player begins playing music, the speaker sounds right away. Tracks can be selected
and volume adjusted on the music player only.
Intelligent Quick Recharge: Recharge can be performed in the standby mode or power-off situation. Before recharging,
plug the mini-USB cable to the speaker's USB port and the other end to the USB port of the
computer or the USB charger. When fully recharged, the red indicator light will turn off.
VIII. Compatibility
Wireless：Devices configured with Bluetooth 2.1+EDR or higher version such as iPad, iPhone (software 3.1 or higher),
iPod Touch and MAC as well as a most Smartphone’s or computers that support Bluetooth.
Bluetooth V2.1+EDR consist of protocols like A2DP, AVRCP and HFP
IX. Toubleshooting
Faults Phenomena
Solutions
Unable to pair up with other
devices
1. Check whether the speaker is still in pairing mode or switch it off and then on
again.
2. There are too many Bluetooth devices in proximity that cause difficulty in
connection. Please turn them off.
The sound is rather low or
distorted
1. Check the Bluetooth device’s volume and then adjust it to a proper level.
2. Recharge the battery
The music stops from time to time
1. Check whether the speaker’s effective transmission range is exceeded or there is
an obstacle standing between the speaker and other Bluetooth devices.
The Bluetooth indicator remains off
1. Battery power is low and needs to be recharged.
2. Turn it on again.
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