Type Speakers Applications Ideal for applications such as alarms, voice prompts, and automated announcements where reliable audio performance is crucial On-board modules ISD1616B - single-message voice record and playback IC from Nuvoton Key Features High-quality voice recording and playback, on-chip microphone preamplifier with Automatic Gain Control (AGC), omnidirectional electret microphone, Multi-Level Storage (MLS) array, onboard speaker, selectable message duration, manual and digital control, and more Interface GPIO Feature ClickID Compatibility mikroBUS™ Click board size L (57.15 x 25.4 mm) Input Voltage 3.3V or 5V,External