product in Dropdown(Selcect box) by Caregory Name WooCommerce

<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>

  <div class="box1">
  <div class="sel_title"> <select id="facebook">
  <option value="" label="">Facebook</option>
    <?php
	 $args = array( 'post_type' => 'product', 'product_cat' => 'facebook');
        $loop = new WP_Query( $args );
       while ( $loop->have_posts() ) : $loop->the_post(); global $product;?>

     <option value="<?php echo $product->get_price_html(); ?>"  label="<?php echo $product->id;?>"> <?php the_title(); ?></option>
        <?php endwhile; ?>
   </select></div>
    <div class="sel_prize"><input type="text" name="prize"  id="facebook_prize"/></div>
	<div class="sel_adcart"><span id="fb_but"></span></div>
     <?php wp_reset_query(); ?>
     </div>

<script>
$("#facebook").on('change', function(){
if($('option:selected', this).attr('label') != ""){
	$("#fb_but").html("<a title='Add to cart' rel='nofollow'></a>")
}
else{
	$("#fb_but").html('');
}
   $('#facebook_prize').val(this.value);
});

</script>

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https://www.ads-software.com/plugins/woocommerce/