1. The height of the backrest can be adjusted in multiple positions to find the best mode;2. The built-in cooling fan can quickly and effectively cool down the host, with two speeds of 1400rpm and 1800rpm, no noise, blue light background;3. The product includes type-c standard protocol interface*1, Gigabit Ethernet port*1, PD/60W port*1, USB 3.0 port*34. Three USB30 ports provide higher ultra-high-speed transmission speed5. With cooling fan cooling console with blue light foldable and easy to carryModel:for ALLY Base 4-in-1Game accessories:base expansion dockInterface type:type-cApplicable products:for ALLY hostScope of application:for ALLY host synchronization is applicable for , for onexplay2Connection :wiredAdditional features:heat dissipationVideo game rating:EliteApplicable people:1+PD:60wInterface type:type-c standard protocol interface*1, Gigabit Ethernet port*1, PD/60W port*1, USB 3.0 port*3Colour:BlackMaterial:ABSSize:15x12.5cm Package Contents:1 * for ALLY multi-function base (4-in-1)1 * Type-c data cable1 * Velvet drawstring pocket1 * Chinese and English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.