· Widely compatible: This band works for all Fitbit smartwatches: Fitbit Sense 2/1 & Fitbit Versa 4/3/2/1 & Fitbit Versa Lite. The Adjustable band fits most wrists (5.71"-8.74").· Premium Material: Soft and durable TPU material absorb shock, metal buckle for extra security gets ready for any intense sport.· All-round Protection: The rugged case with raised bezel protects Fitbit smartwatches from daily scratches and accident bumps.· Easy To Install/Remove: One-piece design snap-in and out in a flash. Soft Strap with classic buckle, convenient and secure for wearing.· After-sales service: amBand provide one year warranty (free replacement or refund) and friendly support within 24 hours.