<b>Features:</b> <br> Adjustable size between 4.7"-7.1 "( 130mm-180mm)<br> <br> <b>Compatible Devices:</b> <br> <b>for Apple Watch SE Series 6(2020) Series 5(2019) Series 4 (2018) Edition Nike+ Sport All Models.</b> <br><br> <b>100% risk-free shopping experience for a refund or replacement.</b><br><br> <b>If you got defective items ,Please CONTACT US.</b>