UniversalOur Phone Lanyard Is Designed To Work With Almost All Phone And Case Combinations While Allowing You The Option To Change Cases And Still Use The System.The Phone Case Anchor Is Make Of Advanced Materials Which Anti Pulling Tear-Proof Waterproof. Stretchy Lasso StrapsYou Can Choose To Your Phone Hang On Your Belt, Backpack, Or Wrist That Prevent Loss/Stealing While You Are Sporting, Shopping, Walking, Cycleing, Or Climbing. Easy Installation, No Adhesives RequiredUltra-Thin Phone Anchor Fits Between Your Case And Phone Allowing You To Connect To The Lanyard Through The Charging Port. It Works Best With Cases That Feature A Standard Size Bottom Center Charging Port. Does Not Interfere With ChargingCompatible With Both Corded And Wireless Charging Without Being Removed. NotePlease Note That The Length Of The Spring Rope Is Designed For Buckle On The Clothes To Normal Use And It Does Not Completely Prevent Falling To The Ground. The Spring Cord Only Cushions The Phone When It Hits The Ground.