This DIY chip kit for recording and playback of high quality sound Easy to use 6 seconds voice recording, high quality, clear voice reduction, can be used as a micro recorder, recording pen, megaphone, greeting card recording module, this module can drive 8 euro 0.5 for W speakers. Instructions: Recording button; press and hold the button to stop recording (recording will start to drop a sound), let go of the completed recording (two drops) for Play button: press one at a time Specifications: Recording Time: 6 seconds Voltage: 3-4.5V Plate Thickness: 1mm Size: 3.4x2.9cm/1.34x1.14" Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 1 x Voice Recording IC Module DIY Kit