Portable Voice Amplifier Wired Microphone Headset

Description

Portable Voice Amplifier Wired Microphone Headset.
Smoke free home
New never used
Personal Mic Speaker 15W Support MP3 TF Card for Teacher Classroom Teaching Training Speeching Guiding and Live Streaming
Frequency response:100Hz ~ 13000Hz
Charging voltage: DC5V, 500mA
Working time: 6-8 hours (MIC mode); 4-5 hours (musical mode)
Charging time:3-5 hours
Battery type：Rechargeable 18650 type Lithium
Battery capacity：3.7V/1500mAh
Size:3.46x4.33x1.65in
Weight: 1.43lbs (battery included)