With this clever little gadget losing your keys will be a thing of the past! Life is too precious not to find a solution to this common infuriating occurrence of daily life. Whether you've lost them down the back of the sofa or they're playing hide and seek in the deepest, darkest realms of your bag, the Whistle Key is an absolute lifesaver. Just whistle and the Key Finder will light up and let out a beeping noise until you can be successfully reunited with those elusive keys. It slots easily onto your keyring so you don't have to overload your pocket with a bulky piece of equipment.