For Fitbit Sense 1/2 Fitbit Versa 3/4 Smartwatch Silicone Sport Strap Wrist Band
For Fitbit Versa 3. For Fitbit Versa 4. For Fitbit Sense. For Fitbit Sense 2. If you buy it, you will receive a watch strap and 1 Pair connector. You need to install the strap and the connector by yourself.