[Powerful Sound] Small-sized voice amplifier with 8W output provides clear, noise-free sound, suitable for covering a large room accommodating 30-100 people. Amplifies your voice and helps protect your throat. [Easy to Carry] This portable speaker is compact and lightweight. It features a detachable clip for secure attachment to pockets or belts, and can also be worn around the neck or hung on a waist belt. [Rechargeable Amplifier] Built-in 4500mAh lithium battery offers up to 20 hours of continuous amplification time and up to 13 hours of music playback. Fully charges in 4-6 hours. [Portable Public Address System] This microphone and speaker set functions as a portable public address system, ideal for use in classrooms, community events, outdoor activities, and more. [Supports Music Playback] Supports audio playback from TF (Micro-SD) cards and USB drives. Features include single song repeat, full playlist loop, and track switching. Color: Black Material: Plastic Package Contents: 1 x Voice Speaker 1 x Headset 1 x USB Charger Cable Note: Other items shown are not included. Note: Lighting effects and display settings may cause slight variations in color between the product image and the actual item. Measurement allows an error of +/- 1-3 cm.