It fits snugly around your arm or ankle prevents the strap from slipping, making it perfect for wearing while exercising. 1 Nylon Armband. 【Compatible Models】Ankle band is compatible with apple watch series 11 10 9 8 7 6 5 4 3 2 1, SE/SE2/SE3, Ultra 1/2/3, perfect fit apple watch 38/40/41mm or 42/44/45/46/49mm.
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