LUMIFORD BT04 User manual

Lumiford –BT04
User Manual

Distinguished Customers,
Thank you for purchasing Bluetooth speaker Lumiford-BT04. 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, cell phone and digital music player etc. perfectly by presenting you exceptional stereo effect
at home, on vacation or at work.
I. Precautions
1. Please store and use this product at ambient temperatures;
2. Do not expose this product to the rain or damp surroundings;
3. Prevent this product from falling that could result in serious damage;
4. Do not dismantle, repair or modify this product on your own;
5. 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.
4. To extend battery lifetime, please recharge it immediately once speaker indicates with a
sound, repeating every 10 seconds.
III. Outer Appearance and Function Buttons
: Long press to turn on/off the speaker, short to answer phone call.
- : Short press to select songs upwards, long press to decrease the volume.
+ : Short press to select songs downwards, long press to increase the volume.
: Bluetooth paired button

IV. Product parameter
Model Number : Lumiford-BT04
Bluetooth spec : Bluetooth V2.1+EDR
Transmission distance : ≤10M
USB power supply : DC 5V
Built in battery :1500MAH
DC power supply : DC15V/1.66A
Output power : 3W*2+20W
Frequency response : 90Hz-20KHz
Sensitivity : 80db±2db
SNR : ≥70dB
V. System composition:
1. Speaker 1pcs
2. Adapter 1pcs
3. User manual 1pcs
4. USB charging cable 1pcs

VI. Common function description
Power-on Status：
Long press “” for 3 seconds to turn the speaker on and it will intimate with a sound
along with red/blue led indicator flashing.
Bluetooth Connection：
Once switched on, the speaker starts searching for other Bluetooth devices automatically
and at the same time, the Bluetooth indicator flashes on and off. When a Bluetooth device
is found, the speaker prompts whether to pair up or not. If Yes is selected, it pairs up with
the device and meanwhile, the blue indicator flashes slowly and a beep is also generated by
the speaker. If failed to detect any other Bluetooth device within 5minutes, the speaker will
shut itself down. Turn it back on again to start search. All the paired devices will automatically
connect when the speaker is turned on.
Bluetooth music playback:
When connected, the speaker plays music immediately. Long press “-\+” to adjust the
volume，short press “-\+” to select songs。Short press to play/pause music.

Call pick-up：
Once connected with the cell phone successfully, the speaker beeps when a call comes in.
Press to receive the call and to terminate conversation press “ ” again. Long press to
reject the phone call.
Aux playback：
•Turn the speaker on.
•Insert the 3.5mm audio cable into the aux jack on the back of the speaker, connecting to
any audio device such as mobile phones or computers with the other port.
Charging the speaker：
Charge can be performed in the standby mode or power-off situation. Before charging,
plug the mini-USB end of the supplied USB cable to the speaker's USB port and the other
end to the USB port of the computer or the USB charger.
VII: Compatibility
Wireless：
Devices configured with Bluetooth V4.2 or higher version such as iPad, iPhone, iPod Touch
and Mac as well as the most models of smartphones or computers that support Bluetooth.
V4.2 Bluetooth version consists of protocols like A2DP, AVRCP and HFP and so on.

VIII. Trouble shooting