Shenzhen Kelitai Technology Co., Ltd.
Main products:Laptop battery,laptop AC adapter,universal laptop AC adapter,car adapter,airplane adapter
Contact Us
  • Contact Person : Mr. KLT
  • Company Name : Shenzhen Kelitai Technology Co., Ltd.
  • Tel : 86-0755-82915001
  • Fax : 86-0755-82915331
  • Address : Guangdong,shenzhen,19E,Block CaiHui,ChongHongXinDu Building,FuTian Dist,ShenZhen,China
  • Country/Region : China
  • Zip : 51800

Mini speaker/Portable speaker box

Mini speaker/Portable speaker box
Product Detailed
1.Voltage:DC5V+-0.5V/500MA 2.Frequency Response:200-10000Hz 3.Working Current:500mA 4.Output Power:2W+2W 5.Warranty:12month

Sound Box With Card Reader Operation instruction


This is a mewly dasigned music plying systerm., it can support many kinds of music memorizer, provide convenient playing mode. Some parts use with FM function


Charging:connect adapter or usb line connector with the jacket on the back of this iterm,and according to suitable voltage.

Play MP3 music

   The round key on top of this item is play key for MP3

   Turn the cap of SD/MMC card socket clokwise, insert SD/MMC card.

   Then turn on power awitch clockwise. Adjust to proper volume. The blue indicatorblinks, it means SD/MMC card is working normally.

   To use U disc,SD/MMC card must be pulled out.

   No need to switch U disc or SD/MMC card manually, it can read files in first inserted memorizer.

“ ” VOLUME-/ PREVIOUS, press shortly to select songs.

“  ” VOLUME+/NEXT, press long to adjust volume

“  ”PAUSE key

“  ”PLAY key


   Connect 3.5mm plug cable with ipod or laptop computer to play music.

   For the model with radio function, please shift the function key to “RADIO”position to listen to the radio. Press“SCAN” key to scan channel from low to high frequency automatically and circularly,press long to adjust volume in the FM function.

      Some parts use the latest dual-battery power circuits, with built-in battery and external battery to work together or with separate operating modes, providing a long- term continuous working conditions, improving the work of a singel electricity shortage, the battery can be together charged or separate charged.

In case of one battery can be powered, it will not have any impact on function if we remove a battery, so that we can achieve power supply system cycling work.

Note: we need to use double protection circuit mobile-phone batteries, can not use low-cost and without quality assurance batteries.


 If it read card repeatedly, please check if battery is at loe voltage and recharge it. If the battery is full but there still no sound, please try to press the “VOLUME+” key long to increase the volume.


1SD/MMC card, U disc can be insert in this item to play.

2It can support any mobil-phone with U disc function, play MP3 format file in the SIM card.

3It can be used with ipod.

4It can be used with laptop computer.


1Voltage: DC5V±0.5V/500MA

2Frequency Response:200-10000Hz

3Working Current:500mA

4Output Power:2W+2W Speaker Impedance:4Ω*2

Mini speaker/Portable speaker box

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