• 【Professional Audio Processing】Built-in DSP anti-howling chip with noise reduction function eliminates background noise and feedback, ensuring crystal-clear audio quality for professional teaching and presentation environments.
• 【Advanced Wireless Technology】Equipped with Bluetooth-compatible 5.3 version and 2.4G wireless transmission, providing stable connection up to 20 meters distance with worry-free pairing and broad compatibility.
• 【High-Power Audio Output】Features 3-inch built-in magnetic speaker with 20W maximum power output and high-quality sound reproduction, ensuring your voice reaches every corner of large classrooms or outdoor spaces.
• 【Extended Battery Life】Large 2500mAh lithium battery in amplifier provides over 15 hours of continuous use, while 300mAh microphone battery lasts up to 10 hours, perfect for all-day teaching sessions.
• 【Fast Charging Convenience】Type-C mainstream fast charging interface improves charging speed - amplifier charges in about 3 hours, microphone in just 1.5 hours for maximum convenience.
• 【Versatile Application】Perfect for teachers, tour guides, sales personnel, outdoor entertainment, morning exercises, speeches, training sessions, and religious activities requiring voice amplification.

Specifications:

• Receiver:
• Charging Current: DC5V-900mA
• Charging Time: Approx. 3 hours
• Bluetooth-compatible Version: V5.3
• Speaker: 4Ω 5W
• Usage Time: Over 15 hours
• Battery Capacity: 2500mAh
• Transmission Method: 2.4G
• Frequency Response: 100Hz-13KHz
• Transmitter:
• Charging Current: DC5V-200mA
• Charging Time: Approx. 1.5 hours
• Signal-to-Noise Ratio: >85dB
• Directivity: Omnidirectional
• Usage Time: Approx. 10 hours
• Battery Capacity: 300mAh
• Sensitivity: -50+3dB
• Receiver Distance: ≥20M