Features: 【High Power & Loud Sound】:This portable amplifier has 50W high power output and provides loud and clear sound that can cover up to 800 meters/2624.7 feet distance. Ideal for large group groups, outdoor activities, public lectures, etc. 【Long battery life】: Equipped with rechargeable lithium battery (not included) to support up to 16 hours of continuous audio use during important events and activities. No need to worry about it falling out. Multiple Alarm Modes: The amplifier has a built-in alarm system such as the default siren, alarm, ambulance alarm, and also support U disk, TF card, and BT alarm mode, providing a variety of alert options to meet your different needs 【BT connection】: This amplifier with BT range of 15 meters can be connected cordless and provides a convenient and flexible way to play music or broadcast messages 【Portable & Durable】: Made of durable ABS plastic this amplifier made of durable use. It is designed to be compact and lightweight. The design makes it easy to carry and suitable for use on the go. Amplifier is available in 2 colors Red and White. Specifications: Power: 50W Working Distance: 800m/2624.7ft Continuous Audio Usage Time: 16H Recording Time: 300s Battery: 1200mah Rechargeable Lithium Battery Material: ABS Plastic Color: Red and White Product Size: 19.6 * 13 cm/ 7.7 * 5 * 5 * 5 * 5 .1 * 7 .5 inch Note: Due to the different screen and light effect, the actual color of the item may vary slightly from the color shown in the photos Package Contents: 1 x Megaphone