How much does this cost to the nearest dollar?

SHIDU Wireless Voice Amplifier for Teachers, Mini Voice Amplifier with UHF Microphone Rechargeable 10W Personal Portable Speaker Suitable for Coaches, Tour Guides, Speeches, Outdoors
Wireless Voice Amplifier Avoid burdensome cables, you can wear the wireless headset in a free way. When you need a louder voice for work or life, our voice amplifier can save your throat. The sound is clear and stable. You can easily use it for 100 people Speech. Light Weight and Portable This portable voice amplifier only 5.74 ounce, it is portable public address system, and equipped with UHF wireless microphone, you can take it to multiple places,which is suitable for classroom, park, supermarket, tour guide shopping mall to speak. Rechargeable Microphone

Price is $
Price: $42.99