[CREATIVE GIFT]Sound Module is Perfect to make a DIY music box, surprise as a birthday present,musical greeting cards, photo frames, album, gift box and the other creative gifts for Mother's Day, Father's Day and Valentine's Day,perfect for memorabilia. [8M MEMORY]With 8MB of internal storage, you can freely add any MP3 audio files to it. [PUSH BUTTON CONTROL]Installed in your project/gift, simply press the button to play the music you input once, and Sound Module will automatically stop when the song is over. [PROGRAMMABLE SOUND MODULE]The programmable sound module provides more possibilities to develop a module that fits your own project perfectly. Different trigger modes (button) can be selected by connecting different solder pads. [VOLUME CONTROL]The volume is adjustable, and the power supply voltage is 4.5-5V. We recommend using a 3.6V lithium battery, with an output power of 0.5-1W. Please connect to a computer with USB 2.0 port (black or white port), otherwise, the module will not be recognized. Connect the red and black wires to the battery to play music. NOTE: Recommend using windows computer and not for MAC. Material: plastic+metal colour: green Package Contents: 2 x Music Module