①. Powerful Sound: Small-sized voice amplifier with 8W output, clear and noise-free, suitable for a room with 30-100 people. It can amplify voice and help protect the throat. ②. Easy to Carry: This portable speaker is small and light. It can be fixed on a pocket or belt with a detachable part, tied around the neck, or attached to a waist belt. ③. Rechargeable Amplifier: Built-in 4500mAh lithium battery. It takes 4-6 hours to fully charge, with up to 20 hours of amplification time and 13 hours of music playback time. ④. Lightweight Pack: This microphone and speaker set is a portable public address system, suitable for use in classrooms, bingo events, outdoors, and other places. ⑤. Support Music Playback: Can play music via TF (SD card) and USB drive, with functions including single song repeat, all music loop, and song switching. ⑥. Color: Gold; Material: Plastic; Size: 75 x 115 x 31mm ⑦. Package Contents: 1 x Voice Amplifier, 1 x Microphone, 1 x USB Cable, 1 x Belt. Only the above items are included; other products are not. ⑧. Note: Color may vary slightly due to light reflection and different displays. Measurement error is allowed within +/- 1-3cm.