[Powerful Sound] Small-sized voice amplifier with 8W output provides clear, noise-free sound, suitable for covering a large room accommodating 30-100 people. Helps amplify your voice and protect your throat. [Easy to Carry] This portable speaker is compact and lightweight. It features a detachable clip for attaching to a pocket or belt, or can be worn around the neck or hung on a waist belt. [Rechargeable Amplifier] Equipped with a built-in 4500mAh lithium battery. Takes 4-6 hours to fully charge, providing up to 20 hours of voice amplification and up to 13 hours of music playback. [Portable Power Pack] This microphone and speaker set functions as a portable public address system, ideal for use in classrooms, community events, outdoor activities, and similar settings. [Support Music Playback] Supports music playback from TF (Micro-SD) cards and USB drives. Offers options for 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: The package includes only the items listed above. Other accessories are not included. Note: Lighting effects and display differences may cause slight variations between the image color and the actual product. Measurement error allowance is +/- 1-3 cm.