T21 2.4G Wireless Voice Amplifiers Bluetooth 5.0 Speaker Teacher School Tour Guide 20W ,Loud Volume

2600mAh large battery, long battery life, signal stability, strong penetration, intelligent noise reduction, no whistling, compact and portable, Bluetooth TF card, U disk, AUX connection. We have all the configurations you need:Bluetooth 5.0 wireless playback,Supports the connection of tablets, mobile phones, laptops, and other Bluetooth devices Hi-Fi Speaker,Inner magnet plus outer magnet high power 5W high power speaker Multifunctional and more practical,REC one-key recording,Single loop promo,Intelligent voice prompt One-key recording single loop,Circulation propaganda/one-key recording/outdoor stalls/classroom recording playback/promotional playback,U disk/TF card/AUX playback Equipped with a dedicated belt,Double hook design, high-quality woven belt, adjustable length,Suitable for daily use such as back, hanging and carrying.