Follow your electric suitcase, travel luggage, 21L large capacity storage space, layered design, reasonable division of internal space. The retractable handle is equipped with gear adjustment, suitable for users of different heights. Individual TSA combination locks provide the highest level of security for your luggage. 3 layers of composite material, lightweight and wear-resistant, with a load capacity of 110kg. The main frame of the case is made of an aircraft grade aluminum alloy and its strength and hardness have been treated with special processes to allow the product to be used in various adverse conditions. Reversing function, LED breathing light, external USB interface, one-button telescope, APP control, 3-speed adjustment, Bluetooth disconnect alarm, remote control mode. The 73.26WH lithium battery can meet the requirements of transporting people from 8 to 10 km and at the same time ensure boarding. Equipped with USB interface, can be charged at any time. It can be used as a power bank, perfect for using it while traveling. The rechargeable battery allows for easy packing and satisfies airline carry-on requirements. Fits perfectly in most overhead luggage bins. Equipped with a small size and high torque push rod motor; The electric folding can be achieved with one click, and the electric telescopic box is more stable and can be retracted and opened freely.