EE4020BT
– Industrial Wireless Earphones
Instruction manual
Please read all of the instructions carefully and retain for future reference.
[3 MM CAPS]
Safety Instructions
When using electrical products, basic safety precautions should always be followed.
Children aged from 8 years and people with reduced physical, sensory or mental capabilities
or lack of experience and knowledge can use this product, only if they have been given
supervision or instruction concerning use of the product in a safe way and understand the
hazards involved.
Children should be supervised to ensure that they do not play with the product.
Unless they are older than 8 and supervised, children should not perform cleaning or user
maintenance.
This product is not a toy.
This product contains no user serviceable parts.
Keep the product and USB cable out of the reach of children.
Keep the product and USB cable away from heat or sharp edges that could cause damage.
Keep the product away from heat sources, direct sunlight, humidity, water and any other
liquid.
Keep the USB cable away from any parts of the product that may become hot during use.
Do not immerse the product in water or any other liquid.
Do not operate the product with wet hands.
Do not operate the product if it has been exposed to water, moisture or any other liquid, to
prevent against electric shock, explosion and/or injury to yourself and damage to the product.
To reduce the risk of fire or electric shock, do not expose this product to dripping or splashing,
and do not place objects filled with liquid, such as vases, onto the product.
Do not leave any objects susceptible to magnetism (cash cards, floppy disks with magnetic
coding, etc.) near the product.
Do not leave the product in a location near heat sources, in a place subject to direct sunlight,
excessive dust, moisture, rain or mechanical shock, or in a car with its windows closed.
Do not touch any sections of the product that may become hot.
Do not leave the product unattended whilst connected to another device.
Do not use the product for anything other than its intended use.
Do not use any accessories other than those supplied.
Do not store the product in direct sunlight or in high humidity conditions.
Do not play music at excessive volume levels as damage to hearing and/or the equipment
may occur.
Always unplug the product after use and before any cleaning or maintenance.
This product is intended for domestic use only. It should not be used for commercial
purposes.
To prevent possible hearing damage, do not listen at high volume levels for long periods
of time.
Warning:
Keep the product away from flammable materials.
[3 MM CAPS]
Battery Safety
In the event of any batteries leaking, do not allow any liquid to come into contact with the skin
or eyes.
If contact has been made, wash the affected area with copious amounts of water and seek
medical advice.
Keep batteries out of the reach of children.
Secondary batteries need to be charged before use. After extended periods of storage, it may
be necessary to charge and discharge the batteries several times to obtain maximum
performance.
Do not leave batteries on charge for prolonged periods of time.
Do not use any charger other than that specifically provided for use with the product.
The supply terminals are not to be short-circuited.
