Preventing the cable from broken at its weakest point, Increases cable life, protect the cables to avoid fraying, stop replacing your charger/ headphone cables, save you time & money. Suitable for use on the majority of computer and smartphone cables, including iPhone lightning cables, Mac Notebook power cables, micro USB cables and more. the cable protectors are designed with highly flexible silicone and can be applied as phone charger saver and charger protector to completely protect cables for all devices, including cell phones, computers, laptops, lightning cables, mouse cable, etc.