Package Included: 1 X Voice Amplifier 1 X Charger 1 X Remote Control (Battery Included) 1 X Mini Bag 1 X Lanyard 1 X English Manual Item Specifics: Model: E76 Material: Plastic Color: Camouflage Charger voltage: 100-240V Max. Output Power: 35W Remote distance: 1000m (without barrier) Frequency Response: 95db Sensitive impedance: 4 3 inch speaker Working voltage: voltage: 7.4V 2200mAh (li-ion battery) External power supply: DC 10V 450mA/50Hz Working hours: 15-20 hours (fully charged) Charging time: 3-5 hours (automatic charging management) Function: FM Radio, MP3 Player, Hunting Bird Call Thickness: 35mm /1\\ (approx.) Size: (LXHxT)90X110X35mm /3.54x4.33x1.4 in(appr.) Features: FM Radio Unique and fashionable design. Multiple weaing choices tor convenient use. Barrier-free remote control for 1000m. Double-sided SMD PCB ensures stable performance. Class D digtal module for low power consumption and high ouput power. Powerful, clear and resonant, high capacity lithium battery for long time use. Music play lunction supports the multi-media audio files play of USB Flash disk. Play MP3 via USB flash disk &TF card. FM radio and remote control included. This product is designed for teaching, tour guiding, visiting and outdoor activities etc. Bult-in MCU intelipent reagarping management system for secure recharge and discharge and fast recharging time. Up to 64GB capacity U disk to play songs, songs support MP3/WMA high fidelity format. UIf used as a decoy for bird hunting, you need to download the bird calls in MP3 format. Widely used for hunting, teaching, meeting, tour guide, etc. Comes with a handy bag to store and transport the amplifier easily. Note: 1.Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2.We have been constantly improving the effects of photography, but due to different camera and monitor parameters, lighting and other factors, it is still difficult to avoid the color difference between the real object and the photo, so please refer to the actual color. 3.The shape or color of some accessories may be improved during sale, but the functions are guaranteed to be the same. If you can't accept this, please don't buy, please understand.