Tell Us What You Want and DIY Your Own Special Megaphone：
1. Enclosure colour: Blue-White, Red-White, Black-White, Camouflage or any other colors you like.
2. Horn type: Round horn and square horn for choosen.
3. Function: TF Card, USB Input, Bluetooth, LED Light, Music, Siren.
4. Accessory: Waterproof Back Cover, Handy Microphone, Lithium Rechargeable, Battery Charger, DC Power Cable.