Compatible Models Replacement USB Charger Dock compatible for Ember Temperature Control Smart Mug 2, Mug 1 Smart Cups(Power adapter or charging cable not included). Advanced Safety Built with over-current, over-voltage, short-circuit and over-temperature protection. Using high quality technology and material to offer you safe charging protection and experience. Lightweight & Portable Suitable for work, home, travels. Put it in your bag. Durable & Premium Quality Made of high quality wire; ensure the excellent charging experience for your Device. Durable High-quality TPE Material and Copper Wire ensures Stable Current Transmission, which assures the quality of the charge. Considerate Service Considerate service of one-year warranty and thirty-day return and refund, provides you with perfect shopping experience.