SHIDU 35W Power Voice Amplifier with Bluetooth Wireless Lavalier Microphone, Portable Teacher Mic with Speaker Personal Clip On Microphone System for Teacher Meeting Training-M500 (Purple)

【 True Acoustic Power Amplifier 】SHIDU 35W wireless voice amplifier is paired with a 2.4G lavalier microphone, which has more advanced sound sensitivity and stronger sound penetration, stable connection and no noise, and can cover a large classroom of about 22,604 square feet (2100㎡) with 320 people.. 【 Greatly Reduce the Pain of Stuck Ears 】Voice amplifier for teaches has a lightweight clip-on design that can be clipped to your collar or held in your hand, which greatly reduces the discomfort of wearing a headset and allows you to get a better experience when teaching or explaining.. 【 Transmission Technology Breakthrough 】SHIDU is the only product of its kind on the market that breaks through the technological barriers to enable speakers and microphones to support a 40 m/131 feet wireless connection, while playing music via a 5.3 Bluetooth connection for a hassle-free audio experience.. 【 Long Battery Life 】Voice amplifier has a built-in 3100mAh rechargeable battery, which only takes 2-4 hours to charge on a single charge, providing up to 16.5 hours of continuous use, ensuring reliability for long sessions. It can be quickly charged with the included Type-C charging cable.. 【 Widely Used 】Portable microphone and speaker are small in size and stable in performance. They are very suitable for amplifying your voice and protecting your throat. They can be applied to teaching, training, singing, coaching, tour guides, shopping malls, speeches, yoga, outdoor, etc.. 【 Warm Tips and Guarantee 】Please keep the speaker and mic for a distance and facing away each other to avoid the signal affected. We provide return and refund without reason in 30 days, and 24-month warranty, and lifetime technical support.SHIDU is committed to giving you a new experience.. 【 Note 】Microphone heads too close to the speaker will make sharp and strange sounds, which is common sound reflex, so try to avoid microphone heads too close to speakers.