One-Button Start, Hassle-Free Teaching: The C002 wireless voice amplifier and Bluetooth headset mic connect instantly. Turn them on and start teaching with adjustable volume and mute controls. Focus on your lesson, not the gear. Portable Microphone and Speaker: The C002 Bluetooth Voice Amplifier delivers clear, loud sound with a 15W output, covering up to 10,000 square feet. Perfect for classrooms of 50-75 students, it keeps your voice strong and teaching efficient. Comfortable and Versatile: Lightweight and easy to wear, the C002 can be clipped to a belt or hung around the neck. The Bluetooth headset is snug and secure, and the wireless mic can be used as a headset or handheld, detaching easily for tidy storage. Long-Lasting Battery: With a 2600mAh battery, the C002 provides 12-15 hours of voice amplification and 8-10 hours of mic use, ensuring all-day power without recharging. Multifunctional Amplifier: The C002 pairs instantly via Bluetooth and plays music through a USB port. Ideal for classrooms, outdoor activities, and family gatherings. Enjoy a 365-day warranty and 24-hour customer support.