Ember Tumbler is a modern and stylish gadget that offers a great deal of convenience, with two leakproof lids and a dishwasher-safe lid for easy cleaning. It is designed to be safe for submersion in water and has a precise temperature control ability. However, it may lose heat faster than some competitors and the battery life is only 3 hours. Despite this, it is a luxurious upgrade rather than a budget-friendly option.