K500 Microphone Bluetooth Speaker Portable Automatic Pairing Voice Amplifier Amplifier Speaker

K500 Microphone Bluetooth Speaker Portable Auto-Pairing Voice Amplifier Amplifier Speaker USB Charging Tutorial Description: Description: Only collects the sound from your mouth without picking up any background sounds. Wired microphones guarantee more stable output than wireless microphones. With fewer buttons and easy operation, this ordinary voice amplifier can meet most needs. It is truly suitable for tour guides, teachers, and supermarket promotions. Mini size design, portable and fashionable. Specifications: Specifications: Color: Rose Gold, Red, Black, Purple, Blue Material: ABS Size: Approx. 85 x 39 x 117 mm Power: 5W Resolution: 80dB Working Voltage: DC 3.7V Charging Voltage: DC 5.0V Charging Time : About 4 H Working time: About 6 H Battery: 2200mAH battery (built-in) Display: LED