SHIDU 18W Voice Amplifier with Wireless Lavalier Microphone, Portable Speaker with 2.4G Wireless Microphone Rechargeable Personal PA System for Teachers Classroom Meeting Training

• ORIGINAL AND CLEAR SOUND: The wireless voice amplifier utilizes 2.4G wireless connectivity technology and picks up sound in a 360-degree range so your voice can be amplified without distortion and loudly. Stable connection, no noise.
• WIDE COVERAGE: With a sound range of 15,000 sq.ft(1400 ㎡), SHIDU voice amplifier is a must-have for teachers or teaching staff, allowing up to 150 students to hear you clearly and protect your throat.
• LONG USING TIME: The portable microphones and speaker has a built-in 2500mAh battery that lasts up to 10 hours when fully charged, and it takes 3-5 hours to fully charge it. Enough to support your lectures for long periods of time.
• OTHER FUNCTIONS: The amplifier supports Bluetooth, supports MP3 playback by inserting TF card or U disk. It also supports connecting your cell phone or computer as a speaker via AUX cable. You can make recordings and playback.
• WIRELESS LAVALIER MICROPHONE: The lavalier microphone can be clipped to a collar or tie without the discomfort of wearing a headset. This greatly eliminates the burden and makes you more comfortable when teaching or explaining. Smart AI noise reduction technology filters out other noises to ensure sound quality.
• OUTSTANDING PRODUCT QUALITY: The portable voice amplifier weighs only 0.52 lb, which is small in size and light in weight, very easy to carry and wear for a long time.
• 【 NOTE 】If there is harsh feedback, do not point the microphone directly at the speaker! If the microphone is clipped to the clothing collar and the sound is low, please adjust the microphone volume to the highest level and press the microphone "+" button to increase the volume.