Features:
Rare earth material speaker, digital sound reinforcement technology, 8W high- audio output, ensure sound quality, loud sound.
In addition to voices, it can connect to MP3 player, devices via AUX input, as a small speaker, playing favourite music.
Built-in large-capacity lithium , energy-saving, supports about 2.5 hours of quick , about 15 hours of use, long service .
light indicates the real- working status of the sound amplifier. Rotary knob is for easy on/off and control.
Lightweight mini amplifier, mini size, novel and stylish appearance, can be worn with a waist or shoulder , very convenient.

Specifications:
Material: Metal
Color: Black / White (Optional)
Package Size: 18.5*14*6.5cm / 7.28*5.51*2.55in
Package Weight: 320g / 11.28oz

About Amplifier
Frequency Response: 150Hz-12KHz 
: 8W
Speaker Impedance: 4Ω
THD: THD≤1% 1KHz@4R, 4W 
Operating Voltage: 3.45V-4.2V 
Type: Li-ion  
Capacity: 3.7V/1800mAh
Port: Type-C
: 5V--800mA 
: About 2.5h 
Operation : About 15h 
Weight: About 148g
: 92mm*72.5mm*25mm

About Headworn Microphone
Cartridge: Back Electret Cartridge 
Polar Pattern: Unidirectional
Frequency Response: 60Hz-16KHz 
Sensitivity: -48.5dB±3dB (0dB=1V/Pa, at 1KHz)

Note:
Sound amplifier set only, others in pictures are not included.
Due to manual measurement, there may be deviation.
Due to lights or others, it may slightly differ from pictures.

Packing List:
1 * Amplifier
1 * Headworn Microphone
1 * Waist Clip
1 *
1 * Cable
1 * User Manual