Apple has sent out invites to an event at its Infinite Loop campus in Cupertino, Calif., which is expected to mark the launch of its latest products.

Invites to the event, which takes place on 1 p.m. ET on March 21, bear the words ‘Let us loop you in,’ according to CNET.

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The invite has prompted chatter that Apple may be preparing a new band for its Apple Watch or even a return of the iPod loop strap.

Speculation has been rife about the products that Apple could launch at the event, including a 4-inch iPhone SE, a 9.7-inch iPad Air 3 and even Apple Watch 2. An update to the tech giant's Mac products could also be on deck.

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Apple is currently locked in a battle with the FBI, which wants the tech giant to help hack the phone of a shooter in the deadly terror attack in San Bernardino, Calif., last December