[As shown D]

[As shown E]

With a high volume of 5w, you can easily control the audience and protect your voice
The quality of the original sound, using frequency shift noise reduction adaptive technology, low noise, even at high power output, it will not produce obvious distortion
18650 rechargeable lithium battery 1200mah, the best battery life
With the original headset, you can carefully adjust the matching parameters for you. Amplification is more relaxed, and it is comfortable to wear and not easy to fall off
Lightweight and convenient-hand-held, the same size we are lighter and louder, can be easily put in the bag and carried

Specifications:
Type: Mini audio speaker
Maximum power: 8W
Body material: ABS
Signal to noise ratio: 83dB
: No
Impedance: 2Ω
FM function: NO
Speaker: 2.5 inch X1
Battery capacity: 1200mAh
Input power: USB power supply / lithium battery
Distortion: 1% (3.7V, 1KHz, 1W)
Charging voltage: DC5.0V
Battery specification: 3.7V/18650 external
Use time: 8 hours
Working temperature: -5° ~40°

Package Included:
1*Amplifier 1*Headphones 1*Audio cable 1*Rechargeable battery 1*Data cable 1*Belt 1*Instructions

Notes:
Due to the difference between different monitors, the pictures may not reflect the actual color of the item.
Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.
Thanks for your understandings.
Portable PA Voice Amplifier Headset Microphone