Voice Amplifier Rechargeable Display Portable Waist Amplifier with Microphone Included Headset for Teaching . SOUND SYSTEM FOR THE GUIDE TRANSFER Characteristic: 1. Multiple uses: The voice amplifier is compact and portable, perfect for presentations, meetings, teaching, and other outdoor activities. 2. Clear and stable sound: With the premium 3 inch speaker, it has a powerful sound amplification effect, the sound is clear, stable and not easily deformed. 3. Input Method: Mini voice amplifier supports different sound input modes, U drive can be inserted, memory card, customized according to different sound input needs. 4. Long battery life: The waist amplifier has a built-in 2200 mAh battery that can be used for up to 10 days on a single charge. 5. Multifunctional: This portable voice amplifier can also be used for replays of classes, with a headset microphone that has a very wide range of applications. . SOUND SYSTEM FOR THE GUIDE TRANSFER Specification: Item Type: Voice Amplifier Material: plastic Black color Battery: 1 x 18650 lithium battery (supplied with built-in battery) (2200mah) Memory card slot: without memory card Application: teacher teaching, promotion in shopping mall speaker player suspended on the waist . SOUND SYSTEM FOR THE GUIDE TRANSFER List of packages: 1 x Charging Cable 1 xVoice Amplifier 1 x Headset Microphone 1 x Strap 1 x User Manual . SOUND SYSTEM FOR THE GUIDE TRANSFER Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.