Ledger partners with Litecoin to release a special edition of the Nano S for its 5th anniversary. https://twitter.com/LedgerHQ/status/773950994443042816 This will of course work on all Ledger Nano S's and not just these 500 wallets.
I've been using Ledger in securing my bitcoins, happy they've added LTC in their great list of crypto wallets.