Rolton K400 Mini Audio Speaker Megaphone Voice Amplifier Support FM Radio TF MP3, K4001. Light to 133 grams, easy to wear, lecture not tired 2. Using 13 core Rutilon speaker, with excellent sound quality, loud volume does not break the sound and not harsh 3. Using digital efficacy system, low distortion, high clarity 4. Noise reduction microphone noise reduction speaker, no whistling, so that the sound is more dynamic 5. Support insert TF card U disk, can be used while charging Parameters: 1. Material: ABS 2. Rated power: 5W 3. Input

This product has its own radio function and does not support hands-free

Brand-New Design

which is shock-absorbing

full font language

Packing box: 120x90x38mm

Product Type: Electromagnetic Stirrer

1 x USB Charge Cable

FM radio antenna x1

There are anti-shock wave points in the storage bag

Appearance size: 16

Made of water-resistant polyester material

Covering multi-frequency massage