Megaphone features: great for making announcements at sporting events, parties, and other large venues high powered bullhorn loudspeaker that helps your announcements go farther a wide variety of inputs that helps you get the most out of this loudspeaker looping capabilities that enable you to play recorded messages detachable, handheld mic gives you additional freedom peak power: 75 watts input: usb/sd card, aux 3.5mm up to 5 hours of continuous use megaphone battery features: designed to work technical pro er66 megaphone models built in ac wall charger led charge status indicator automatic charge protection charge lasts for approximately 5-8 hours. built-in rechargeable battery fully charges in approximately 4-6 hours for maximum battery life the battery should be fully charged prior to its initial use dimensions (l x w x h):14"x 9.2" x 5.5"
