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Warning 

Troubleshooting

Please note 

No response after 
pressing
On/Off switch

Question

Solution

High-pitched noises 
inearphone

If you encounter some operation problems 

with the ME-300D, please check the 

following items first:

▲Is your ME-300D powered up?

▲Are your ear buds blocked by ear wax? 

Clean your ear buds with a cotton swab 

if necessary.

Insert ear buds tightly into ear canal.

Reduce volume or increase the distance 

between the earphone and the microphone 

of control box.

Our Product is not hearing aid. If you have any hearing problem 

    please see doctor for advice.

This symbol indicates that integral electrical equipment must not 

    be treated as household waste. It should be taken to the relevant 

    collection depot for the recycling of electrical and electronic 

    equipment. You can obtain more detailed information about 

    recycling of the product from your local authorities, 

    from the nearest recycling station or from the shop you 

    purchased the product from.

▲If you experience ringing in your ears or muffled speech, stop listening 

   and have your hearing checked.

▲Please keep the ME-300D away from children and pets. In case a small 

    child or pet swallows the ME-300D, please consult a doctor immediately.

▲Do not use the ME-300D where it is forbidden to use electronic devices.

▲Please keep the ME-300D away from fire (high temperature), water

    (humid environment), or any devices generating high voltage of 

    electric current.

▲Please use the AC adapter provided by Merry Electronics to charge 

    your ME-300D.

Manufacturer
MERRY ELECTRONICS CO., LTD
No.22, 23rd Road, Taichung Industrial Park, 
Taichung, 40850 Taiwan, R.O.C.
[email protected]

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