Voice Amplifier Rechargeable1800Mah With Headset Microphone Mini Portable

Product description:

High-quality voice amplifier with high-end wired microphone, simple and elegant style, high-quality product to match your high-quality life.

Package Size: 18.5*14*6.5cm / 7.28*5.51*2.55in

Package Weight: 320g / 11.28oz About Amplifier

Frequency Response: 60Hz-16KHz 

Power: 8W

Speaker Impedance: 4Ω

THD: THD≤1% 1KHz＠4R, 4W 

Operating Voltage: 3.45V-4.2V 

Battery Type: Li-ion Battery 

Battery Capacity: 3.7V/1800mAh

Charging Port: Type-C

Charging: 5V--800mA 

Charging Time: About 2.5h 

Operation Time: About 15h 

Weight: About 148g

Dimensions: 92mm*72.5mm*25mm About Headworn Microphone

Cartridge: Back Electret Cartridge 

Polar Pattern: Unidirectional

Sensitivity: -48.5dB±3dB (0dB=1V/Pa, at 1KHz)