SHIDU - Earspan

【Powerful Sound 】The voice amplifier is in compact size, but with 10W output crystal sound and no noise is loud enough to cover a room with a large group of 25-100 people. The stable performance perfect for amplifying your sound and saving your throat.
【Long Battery life and Multifunctional】 - The voice amplifier with a 1800mAh built-in big rechargeable lithium battery provides 8 to 12 hours amplify time and 6 to 10 hours music time with a full charge.And the voice amplifier takes only 3-5 hours fully charged.And you can use it not only as a voice amplifier but a music player from a TF card or USB flash disk.
【Adjustable Microphone Headset】 -The microphone headset is lightweight and adjustable.You can adjust the distance between the microphone and mouth with its flexible gooseneck.Comfortable design makes it convenient for your teaching, training, presention and other activies.
【Compact and Easy Carry Around】 - The portable microphone and speaker is in compact size and super lightweight, you can use the back detachable clip to fix it on your belt or pocket, or you can also tie it around your waist or hang it on your neck with the help of the waistband.

[EXCELLENT SOUND ] -This portable voice amplifier have a high power Nd-fe-b magnet inner trumpt,with SHIDU patented ORIGINAL voice amplificatiion technology.It deliver 18 Watts clear,natural and crystal voice, sounds coverage up to 1000 square feet. [MULTI-FUNCTION] -This Classroom PA system is a combo of a portable loudspeaker with wired microphone. It not only a voice amplifier that save your throat but also a MP3 music player which supports TF card & USB flash disk. Supporting 3.5mm AUX audio input (Mic port can be used as AUX port), Easy to be used as a wired speaker. [LIGHTWEIGHT AND EASY TO USE] - This portable pa amplifier is small in size and lightweight , you can use the back detachable clip to fix it on your belt or pocket, or you can also tie it around your waist or hang it on your neck with the help of the waistband, very easy to carry. [LONG WORKING TIME] - Rechargeable voice amplifier built-in a 2500mAh big lithium battery, you can use it for up to12 hours (MIC mode), 6 to 8 hours (musical mode) with a fully charged battery. [ADJUSTABLE MICROPHONE] The head worn wireless microphone is adjustable. You can adjust the distance between your mouth and the mic freely. Wide application: * Portable voice amplifier for teachers usage in classrooms; * Ultra light personal pa speaker for tourist guide usage; * Mini sound amplifier for leaders usage in meeting; * Portable waistband amplification devices for outdoor activities usage; * Personal voice amplifier for promotional specialist; * Loudspeakers for yoga coaches.

Output Power	20W	Charging Voltage	DC 5V, 2A
Lithium battery	4.2V,2500mAh	Frequency response	90Hz~18KHz
Distortion	5%	SNR	85db
Music format	MP3,WMA,WAV,APE,FLAC	Wireless distance	30-35m

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