***** **********Best Quality Guranteed. *****Light sensor controlWhen detect the light, the module will automatically play the music. *****8M MemoryBult-in 8M memory with micro USB port, you can update the music just by a smart phone USB cable. It recognized by computer as a USB drive, just like a MP3 player, and you're free to add any MP3 audio file to the internal storage as long as it doesn't go over the 8MB limit. *****Talking Greeting CardWith 0.5W speaker and 3.7V cell batteries, sound module ideal for DIY talking greeting card, music box, Chrtmas gift and other creative gifts.
*****Self-adhesiveSelf-adhesive on the back of the sound module makes it easy to install. *****Rechargable BatteryIt's rechargeable via the micro USB. The volumn also adjustable.