- Power Supply Voltage: Operates on 5 V with a range of 3.7-5.5 V. Compatible with 3.7 V/4.2 V batteries like the 18650, offering an output capacity greater than 200 mAh. - Versatile Playback Modes: Choose from various modes including single play without looping, single looping, uninterrupted playback, and long press options for playback modes. - Current Supply: Requires a current supply of at least 300 mA for optimal performance. Acceptable with ≥ 50 mA if speakers are not connected. - Important Note: When using battery power, ensure that the capacitor capacity is sufficient. If the voltage drops below 3.5 V due to low power, the device may not function properly. Key Benefits: - Ensures a reliable power source for your electronic devices. - Offers flexibility in playback options to suit different listening preferences. - Easy integration with standard battery types for convenience. Use Scenarios: 1. Portable Audio Devices: Ideal for powering portable speakers or audio projects requiring flexible playback modes. 2. DIY Electronics: Perfect for hobbyists building custom electronics that need dependable power inputs. 3. Embedded Systems: Suitable for use in compact systems where space is limited but reliable power is essential. This product provides robust performance and adaptability, making it a crucial addition to your electronic toolkit.