Wireless headphones Lenovo Universal Thunderbolt 4 Dock (Max displays: 4/Max resolution: 8K/60Hz/Supports: 4x4K/60Hz or 1x8K/1xEthernet LAN (RJ-45)/WiFi/2xDP 1.4/1xHDMI 2.1/4xUSB 3.1 (1 always-on)/1xThunderbolt 4 downstream/1xUSB-C/1×3.5mm combo jack/Bluetooth/Input power: 135W/Output Power: 100W) Warranty 36 month(s)