You might want to check out these from 7dayshop
http://www.7dayshop.com/catalog/product_info.php?cPath=777_3&products_id=101215
You can find out more info from the panasonic website under product highlights:
[broken link removed]
http://www.7dayshop.com/catalog/product_info.php?cPath=777_3&products_id=101215
You can find out more info from the panasonic website under product highlights:
[broken link removed]