【Specification】 Model: E76 Material: Plastic Color: Camouflage Charger Voltage: 100-240V Max. Output Power: 35W Remote distance: 1000m（Barrier-free） Frequency response: ≥95db Sensitive impedance: 4Ω 3inch speaker Working Voltage: Voltage: 7.4V 2200mAh (li-ion battery) External power: DC 10V 450mA/50Hz Working hours: 15-20 hours (Fully charged) Charge time: 3-5 hours (Automatic charge management) Function: FM Radio, MP3 Player, Hunting Bird Call Thickness: 35mm /1 (appr.) Size: (W)X(H) 90X110mm /4''X4 (appr.) Plug Type: US (We will be based on your country to send the corresponding adapter plug) 【Features】 Support USB stick, TF, Micro SD card Barrier-free remote control for 10000m Widely used for Hunting, teaching, meeting, tour guide, etc Come with convenient bag for storage and carry the amplifier easily If used as decoy for hunting birds, you need to download the bird calls in MP3 format Up to support 64G capacity U disk to play songs, songs support MP3/WMA high fidelity format 【Package included】 1 X Voice amplifier 1 X Charger 1 X Remote control(battery included) 1 X Microphone 1 X Mini bag 1 X Lanyard 1 X English Manual 【Notice】 - Please allow slight dimension difference due to manual measurement. - Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail. - Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. - Due to the light and screen difference, the item's color may be slightly different from the pictures. Thanks for your understanding.