Size: 75*47*18mm. Available in two models: 44/45/46MM and 40/41/42MM. Comes in three colours: white, blue, and brown. The 44/45/46MM model is compatible with S7/8/9/10, and the 40/41/42MM model is also compatible with S7/8/9/10. Features multi-protection with ten levels including overcharge, overcurrent, high temperature, and foreign object recognition for enhanced safety. Boasts a 1200mAh large capacity to recharge your Apple Watch anytime, eliminating low battery anxiety. Its mini design makes it easy to carry in your pocket or bag for business trips, travelling, and sports.