Natsume's Book of Friends : Earphone Jack Accessory: Plug Topper &ndash; Nyanko Souvenir Personalize your cell phone with this Earphone Jack Accessory! Featuring Nyanko-sensei from the anime and manga series - Natsume Yuujinchou or Natsume's Book of Friends! The Nyanko Cat charm will add character to your phone. The charm plugs in and hugs the edge of the device. Compatible with most iPhones & 3.5mm jacks. Dimension & Measurement: Charm topper approx. 1.25 x 1 x 1-inch