Portable Voice Amplifier For Teacher Training Speech Rolton K400 Megaphone Booster With Wired Microphone Loudspeaker Speaker MP3

Specifications:

• Weight: 282g
• Support: USB disk and TF card
• Size: 85mmX85mmX34mm
• Origin: CN(Origin)
• More Information: Read the description
• Model Number: K400
• Material: Plastic
• Item Type: Waist hanging Megaphone
• Charging: use standard USB 5V
• Brand Name: centechia
• Battery capacity: 1200mAh
• Audio Format: MP3 / WAV
• Any Problems: Please contact us first, thank you!
• Battery Life (Hour): 2 Hours