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Graflsoa Rechargeable Portable Voice Amplifier with Wired Microphone, MP3 Support, and Adjustable Belt for Teaching, Singing, and Outdoor Use - Black

<ul><li>Applications: With adjustable belt and detachable belt clip and wired headset microphone, it is suitable for teaching, coaches, singers, training, tour guides, shopping malls and outdoor speeches, etc.</li><li>Rechargeable Battery: Built-in 2200 mAh rechargeable lithium battery, the standby time can last for 18-22 hours, and it can be used continuously for more than 12 hours after being fully charged.</li><li>Portable Amplifier: The powerful voice amplifier and speaker. Unique appearance and light weight. Made of imported ABS and UV materials, it feels good and has good sound quality.</li><li>Professional Sound Reinforcement Circuit: Built-in DSP five-level mixing system to amplify the sound (reverberation sound). It supports AUX audio input and can be used as a computer speaker.</li><li>Multi-functions: Support 32GTF card music player, can directly play MP3, WMA, WAV format audio. FM stereo function, automatic search and save stations, etc.</li></ul>

Brand

Color

it is portable and easy to use. 
 
 
 
Feastures: 
 
Portable Amplifier: The powerful voice amplifier and speaker. Unique appearance and light weight. Made of imported ABS and UV materials, it feels good and has good sound quality. 
 
Rechargeable Battery: Built-in 2200 mAh rechargeable lithium battery, the standby time can last for 18-22 hours, and it can be used continuously for more than 12 hours after being fully charged. 
 
Professional Sound Reinforcement Circuit: Built-in DSP five-level mixing system to amplify the sound (reverberation sound). It supports AUX audio input and can be used as a computer speaker. 
 
Multi-functions: Support 32GTF card music player, can directly play MP3, WMA, WAV format audio. FM stereo function, automatic search and save stations, etc. 
 
Applications: With adjustable belt and detachable belt clip and wired headset microphone, it is suitable for teaching, coaches, singers, training, tour guides, shopping malls and outdoor speeches, etc. 
 
 
 
Specifications: 
 
Product Name: Voice Amplifier 
 
Model: K300 
 
Material: ABS/UV 
 
Color: Black, Green, Purple(Optional) 
 
Distortion: 1%(3.7v,1Khz,1W) 
 
Sensitivity: 80db 
 
Impedance: 2 &Omega; 
 
Signal-to-noise Ratio: &ge;75dB 
 
Frequency Response Range: 40Hz-20KHz 
 
Llithium Battery Capacity: 2200mAh 
 
Working Voltage: DC 3.7V 
 
Charging voltage: DC 5.0V 
 
Output power: 5W&nbsp; 
 
Input Power: Power Adapter/USB/ Li-ion 
 
Display: LED&nbsp; 
 
Speaker: 2.5 inch 
 
Operating Temperature: -5 ~40℃ 
 
Audio Format: MP3/WMA/WAV 
 
Amplifier Size: 11.7*8.6*2.9cm/4.61*3.39*1.14in 
 
Amplifier Weight: 253.5g/8.91oz 
 
Package Size: 17.2*12.5*7cm/6.77*4.92*2.76in 
 
Package Weight: 402.5g/14.20oz 
 
 
 
Packing List: 
 
1* Voice Amplifier 
 
1* Wired Microphone Headset 
 
1* Waistband Belt 
 
1* USB Cable 
 
1* User Manual