The mattress has 720 springs and is made up of 2 layers of foam that are not only soft but also supportive and comfortable. We use textiles without harmful substances, tested according to the Oeko-Tex Standard 100, which are safe and non-allergenic! Adjustable headboard: The padded headboard is filled with high-density and thicker foam, allowing you to relax comfortably while leaning against it. The height of the headboard is adjustable, and the adjustable height range is about 12 cm difference. People of different heights can find the best comfort point by adjusting the height of the headboard. Charging station with power outlets and USB ports: One of the most convenient features is the built-in power outlet at the head of the bed, which allows you to charge your smartphone and tablet before going to bed. Built-in USB/Type-C ports and European sockets are located at the head of the bed. Flexible and spacious storage: The 50 cm high headboard features a wardrobe design with four spacious compartments. Large storage space under the bed base with plenty of room to store blankets, pillows, or sheets, easily liftable base thanks to a lifting mechanism. An Oxford cloth is fixed to the underside of the bed to prevent dust. Detailed information: To reduce the risk of damage, this bed frame is shipped in 3 cartons, and these may arrive at different times. If both packages have arrived but parts are missing, please contact customer service. If you need to move the bed, please lift it instead of dragging it across the floor. Before returning the product, please contact the seller first. Thank you for your understanding.