Na Megaphone W Wireless Music ER-472LBT

Equipped with a 50 Watt power output, this device includes a rechargeable lithium battery (18650 X2) and has a USB-SD/MMC/35.mm input for convenient music playback. It also features a palm microphone, voice recording and playback capabilities, and a coverage of 800 meters. Use 4 type D batteries (not included) as a backup power supply. Its compact design has a horn diameter of 195mm and a length of 330mm, and the microphone is removable for added versatility.