Rechargeable megaphone with Bluetooth USB/AUX/SD Our rechargeable megaphone with Bluetooth is the perfect solution for those who want to make their voice heard powerfully and clearly, without sacrificing convenience and flexibility. With an elegant and functional design, this device is ideal for a wide range of uses, ranging from public events to sporting events. Featuring a powerful amplification system, the megaphone ensures your message reaches everyone within desired range, without loss of volume or clarity. Built-in Bluetooth technology allows for a wireless connection with compatible devices, allowing you to play your favorite music or broadcast pre-recorded messages with ease and convenience. Thanks to its rechargeable battery, just connect it to a power source to recharge it and you'll be ready to amplify your voice once again. Plus, the lightweight and handy design makes the megaphone easy to carry wherever you go. NB To avoid deterioration, the megaphone battery is inserted in its housing with the poles reversed. Before use, rotate the battery for correct operation of the product. Characteristics Audio inputs: USB, AUX, SD Card, 3.5mm audio jack Connectivity: Bluetooth Range: 800m Built-in 7.4V battery Distortion: <1% Supports recordings up to 350s Dimensions: 365x215mm With shoulder strap