20W Max Output Power: This indicates a robust sound output for a portable system, making it suitable for public speaking and presentations.

24 Hours Ultra Long Playtime: The long battery life ensures it can be used for extended periods without the need for frequent recharging.

Speaker Size: The 3-inch speaker size suggests a compact design while still being capable of delivering clear sound.

Frequency Response: With a range of 500Hz-17kHz, it can adequately reproduce the necessary frequencies for voice clarity.

Multiple Input Options: The device supports USB, Micro SD Card, AUX Line-in, and has a built-in FM radio, providing versatility in terms of audio sources.

Convenient Charging: It charges via DC 5V, which is a standard USB charging specification, allowing it to be charged with common USB chargers.

Built-in Battery: The 1800mAh battery capacity is substantial for a device of this nature, contributing to its 24-hour playtime.

LED Screen: A built-in LED screen provides visual feedback and information on the status and settings of the device.

Sound Recording: It features a sound record function, which is a handy tool for saving audio clips or speeches.

Wireless Headset Microphone: It includes a wireless headset microphone, which allows for hands-free operation, crucial for interactive sessions or demonstrations.

Physical Specifications: The size and weight are provided, with the device weighing in at 275g and dimensions of W117 x H94 x L44 mm, emphasizing its portability.

Lavalier Microphone Included: A lavalier microphone is part of the package, offering another hands-free option for speaking.