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*3 4. Three USB30 ports provide higher ultra-high-speed transmission speed 5. With cooling fan cooling console with blue light foldable and easy to carry Model:for ALLY Base 4-in-1 Game accessories:base expansion dock Interface type:type-c Applicable products:for ALLY host Scope of application:for ALLY host synchronization is applicable for , for onexplay2 Connection :wired Additional features:heat dissipation Video game rating:Elite Applicable people:1+ PD:60w Interface type:type-c standard protocol interface*1, Gigabit Ethernet port*1, PD/60W port*1, USB 3.0 port*3 Colour:Black Material:ABS Size:15x12.5cm Package Contents: 1 * for ALLY multi-function base (4-in-1) 1 * Type-c data cable 1 * Velvet drawstring pocket 1 * Chinese and English instruction manual Only 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.