Product Specifications :

New  Class digital function.
Material: Aluminum alloy
Audio Format: MP3/WMA OGG ADPCM(384kbps below)

USB Interface:2.0
Audio Line: 3.5mm Stereo Line in
Memory Card Slot: Micro SD/TF Card (Not included)
Playing Time: 10-20 hours with loudspeaker (depend on the volume); 60 hours with earphone
USB Charging Time: 7 hours (USB 5V 1A)
Wall Charging Time: 4 hours
capacity:  4 GB

perfect item for personal uses when indoors or outdoors ,Portable, can be tied to your bike or some other place with the baldric and cushion.
Ideal design for playing music with your notebook, computer, cell phone, FM radio, or memory card inserted
Performs a personal stereo with clear, nature sound. It could be hold by a small palm and have music play
Support line-in, connect to computer, mobile phone pr other audio source to amplify the sound
Support MP3/WMA, store music files by inserting memory card
Built-in Hi-Fi high quality and high efficiency speaker monomer, you can still hear heavenly music even outdoors
Built-in high capacity rechargeable battery, support for a long play
Can be placed on your bicycles with its unique cone design
Compact, convenient & easy to use
*Support playing MP3/WMA fomat files
*Support reading Micro SD/TF card, can be connected with the computer to manage the files of the card
*Multifunction jack: Connected to the computer. Headphone output and charge input
*Battery can be continuously used with USB line Charged
*LED Indicator
     antenatal training speaker  children speaker , good quality and high tone qulity.
      its convenient when you sleep ,do some exercise .

***Music speaker ONLY. No Micro SD Card, USB Flash Drive or MP3 players ***

Package included:
1 x Speaker
1 x USB cable
1 x Line IN
1 x Bag
1 x Earphone
specification