Edifier EDF57 Users Manual

MP255

Portable Speaker

Important safety instructions

1. Please read the instructions carefully. Keep it in safe place for future reference.

2. Use only accessories approved by the manufacturer.

3. Install the instrument properly by following the instructions in the device connection
section.

4. Using the product in a 0-35℃ environment is recommended.

5. To reduce the risk of fire and electric shock, do not expose the product to rain or
moisture.

6. Do not use this product near water. Do not immerge the product into any liquid or have
it exposed to dripping or splashing.

7. Do not install or use this product near any heat source (e.g. radiator, heater, stove, or
other devices that generate heat).

8. Do not place any object filled with liquids, such as vases on the product; neither should
any open fire, such as lighted candles be placed on the product.

9. Do not block any ventilation openings. Do not insert any object into ventilation
openings or slots. It may cause fire or electric shock.

10. Keep sufficient clearance around the product to maintain good ventilation (minimum
5cm is recommended).

11. Do not force a plug into the jack. Before connection, check for blockage in the jack
and whether the plug matches the jack and is oriented to the right direction.

12. Keep the provided accessories and parts (such as screws) away from children to
prevent from being swallowed by mistake.

13. Do not open or remove the housing yourself. It may expose you to dangerous voltage
or other hazardous risks. Regardless the cause of damage (such as damaged wire or plug,
exposure to liquid splash or foreign object falling in, exposure to rain or moisture,
product not working or being dropped, etc.), the repair has to be performed by an
authorized service professional immediately.

14. Before cleaning the product with dry cloth, always turn off the product and
disconnect the power plug first.

15. Never use strong acid, alkali, gasoline, alcohol, or other chemical solvents to clean
the product surface. Use only neutral solvent or clear water for cleaning.

range.

Excessively loud music may lead to hearing loss. Please keep the volume in a safe

Correct Disposal of this product. This marking indicates that this product should
not be disposed with other household wastes throughout the EU. To prevent possible
harm to the environment or human health from uncontrolled waste disposal, recycle it
responsibly to promote the sustainable reuse of material resources. To return your used
device, please use the return and collection systems or contact the retailer where the
product was purchased. They can take this product for environmental safe recycling.

For wireless product:

1. Wireless product may generate shortwave radio frequencies and interfere with the
normal use of other electronic devices or medical equipment.

2. Turn off the product when it’s disallowed. Do not use the product in medical facilities,
on airplane, at gas stations, near automatic gates, automatic fire alarm system or other
automated devices.

3. Do not use the product in the vicinity of a pacemaker within a 20cm range. The radio
waves may affect the normal operation of the pacemaker or other medical devices.

WARNING!
Danger of explosion if the battery is incorrectly replaced. Replace only with the same or
equivalent type.
For products with removable battery, the battery must be properly recycled or disposed.
For products with built-in battery, disassembling is prohibited.
Never disassemble, hit with force, squeeze batteries or dispose of batteries in fire. Do not
expose batteries in conductive materials, liquid, fire or heat. Do not let metal object
contact two battery poles. If the battery looks swollen, leaking, discolored, having odor or
any abnormal appearance, stop using it. Do not use the battery after immersed in water.
Improper use of battery may lead to explosion or leakage, causing skin burn or other
injuries; in the event of battery leakage, handle it with care and immediately dispose of
the battery in the manner in compliance with applicable laws and regulations in your
locality.

Page 3 What's in the Box

Charging: red light on
Fully charged: off

Charging

Speaker microUSB connecting cable User manual

Page 4 How to charge

1. Connect DC IN port on the speaker to USB power source on a computer or USB port

2. To ensure a full charge and for optimal audio playback, please fully charge the speaker

3. Please turn off the speaker when not in use.

(DC5V 2A) with the microUSB connecting cable for charging.

once a month.