How much does this cost to the nearest dollar?

Norwii Portable Rechargeable LED Display Mini Voice Amplifier with Wired Microphone Headset and Waistband，Supports MP3 Format Audio and TF Card for Teachers, Classroom, Tour Guides, Meetings
Portable Speaker and Microphone -- ①It is a Professional Voice Amplifier with 3 inches powerful magnetic loudspeaker. Compact size and light weight (0.53 lb). ②The max 10 watts sound can cover about 10000 sq.ft (1000 ㎡). More advanced sound sensitivity and more sound penetration. The sound of microphone amplifier is clear, crisp, no noise and no distortion. Personal Amplifie -- power, built in rechargeable lithium battery. It provides 36-40 hours keep using, only needs 3-5 hours to fully charge it. 

Price is $17.00
Price: $16.99