<B>W WINBRIDGE Wireless Voice Amplifier with Portable Microphone Small PA Speaker System Rechargeable Lightweight Original Personal Clip On Amplifier for Elderly,Teaching,Presentations,Guiding etc 10W</B> <BR><BR> <BR>✚Amplifies your voice and saves your throat when you have a difficult time speaking loudly enough.W WINBRIDGE WW711 delivers 10w clear and soft sound to cover about 5000sq.ft (200㎡). <BR> <BR>✚It is small and lightweight and is good for small to medium size groups where there is not too much background sound. <BR> <BR>✚We recommend this for venues like a medium size classroom if you are soft spoken or have interfering noise or for large venues that are in or outdoors. <BR> <BR>✚You could easily make a presentation to a group of 25-100 people and be heard clearly; <BR> <BR>✚With wireless portable microphone headset you can place the mini pa speaker stay in the center of the room and transmit some distance from the unit.You will get around 32 ft! <BR><BR> <B>Specifications:</B> <BR>Power output: 10W <BR>Battery capacity: 1100mAh <BR>Charging voltage: DC5V, 500mA <BR>Working time: 5-6 hours for speaker; 2-3 hours for Microphone. <B>(It’s up to the volume you control)</B> <BR>Charging time: 3-5 hours for voice amplifier; 2-4 hours for microphone <BR>Sounds coverage: 5000sq.ft <BR>People coverage: 25-100 people; <BR><BR> <B>What's in the box?</B> <br>1*voice amplifier/ 1*wireless headset microphone/1*DC 5V charger/1*double charging cable/1*waitband/1*manual <BR><BR> <B>Note:</B> <br>▶Please do not face microphone to speaker too close in case of feedback noise happens;