*Universal for tablets, mobile phones and displays within 15 inches *Reinforced aluminum alloy material *Can be lifted up to 14cm *USB cable is 60cm long, send typec adapter *Can be connected to power bank, 5v charger, computer *With fan (without battery) the fan is silent, without battery, without independent switch, unplug the usb plug, the fan will stop working. *The width of the inner support is 1.9 cm, and the belt sleeve is applicable within 1.9 cm *Non slip silicone at the bottom