YOCEWECA Portable Voice Amplifier with Microphone Headset Wireless 4400mAh Rechargeable Sound Amplification System 18W Waterproof Voice Loud-speaker for Outdoor Activities, Teaching, Meeting, Yoga, etc

* Powerful & Stable Performance: The portable voice amplifier comes with a UHF headset microphone (NOTED: The headworn Mic is neither waterproof nor a Bluetooth Mic). Adopt UHF high frequency wireless PA technology, Bluetooth 4.2 chip, signal transmission more fast and stable, wireless connection distance up to 30m/98ft at open area. 18W super output makes sound cover 10000 sq.ft(1000 ㎡), the wireless voice amplifier can amplify your voice across a group of 20 to 300 people clearly and loudly * Rechargeable voice speaker, Long Working Time: Portable Amplifier with Wireless Mic built-in a 4400mAh durable lithium battery, provide a working time up to 15hrs after fully charged and only takes 3-5hrs to fully charged. But the wireless microphone only lasts 2-4hrs. If you need to use for a long time, we'd like to recommend you to order a wired version or an additional wired headset/ lapel mic accessory. 3 in 1 multi-function wireless Pa system can be as a power bank for emergency charging * Multi-functional, Wat...