[Powerful Amplifier]This professional amplifier from is a powerful and effective amplifier with 35 of sound and coverage up to 180 feet that can effectively grab everyone's attention![240S Recording]Up to 240 seconds recording time, HD recovery sound. The recording time is 240 seconds, and the entire song can be recorded as much as possible to meet your recording needs.[USB Card Reader]with built-in USB flash memory slot. Great for playing music, pre-recorded speeches, and playing anything you want to tell a crowd. MP3 format is supported.[Alarm Mode]Amplify emergency tones with adjustable volume control at the touch of a button. In an emergency or in a noisy crowd, it will draw attention loudly.[Convenient and Portable]Equipped with a detachable handheld microphone, which can be unplugged or plugged in according to your needs. This loudspeaker measures exactly 10.50inch x 6.40inch(approximately 26.6 cm x 16.2 cm) and features a convenient quick fold handle for easy portability.Colour:blackMaterial:ABSPackage Contents:1 x Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.