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 Ω 3 inch speaker Working 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) Functions: FM Radio, MP3 Player, Hunting Bird Call Thickness: 35mm / 1.4 in (approx.) Dimensions: 90 x 110 x 35mm / 3.54 x 4.33 x 1.4 in (L x H x T) Features: FM Radio functionality Unique and fashionable design Multiple wearing options for convenient use Barrier-free remote control up to 1000m Double-sided SMD PCB for stable performance Class D digital module for low power consumption and high output power Powerful, clear, and resonant sound with high-capacity lithium battery for extended use Music playback supports multimedia audio files from USB flash drive Play MP3 via USB flash drive and TF card Includes FM radio and remote control Designed for teaching, tour guiding, presentations, and outdoor activities Built-in MCU intelligent recharging management system for safe charging and discharging with fast recharge time Supports up to 64GB U disk; plays MP3/WMA high-fidelity audio formats To use as a decoy for bird hunting, download bird calls in MP3 format Widely used for hunting, teaching, meetings, tour guiding, and similar applications Comes with a convenient bag for easy storage and transport Note: 1. Please allow 1-3cm error due to manual measurement. Ensure you are comfortable with this before purchasing. 2. While we strive to present accurate images, color may vary slightly due to differences in camera, monitor settings, lighting, and other factors. Please refer to the actual product color. 3. The shape or color of certain accessories may be updated during production, but functionality remains unchanged. If this is not acceptable, please do not purchase.