Used Lenovo ThinkPad 2nd generation X1 Yoga in good condition. This item has a beautiful OLED LCD, please check picture.

Processor 7th Generation Intel® Core™ Processor i7-7600U, dual core 4 threads, 2.8 GHz up to 3.9 GHz 4MB cache
Intel HD Graphics 620 in processor only,supports external digital monitor via HDMI or USB Type-C; supports three independent displays; Max resolution: 4096x2304@60Hz (USB Type-C); 4096x2160@24Hz (HDMI
Meomry 16GB / 1866MHz LPDDR3 / soldered to systemboard, no sockets
Display 14.0" (355mm) WQHD (2560x1440), glossy, OLED, 300 nits, 16:9 aspect ratio, 54000:1 contrast ratio, 100% gamut, 176° viewing angle
Multi-touch OLED panel: OCTA, AS (anti-smudge), supports 10-finger gesture.
Hinge Yoga hinge, 360 degree
Convert-mode Laptop, tent, stand, and tablet
ThinkPad Pen Pro, active pen for multi-touch display, charged and stored in Pen slot.
Storage 512GB M.2 2280 SSD / PCIe NVMe, PCIe 3.0 x 4, 32Gb/s. SSD status is good, please check pictures
Native Native Intel Ethernet I219-LM (vPro)), via optional ThinkPad Ethernet Extension Cable (Not included)
WLAN Intel Dual Band Wireless-AC 8265, Wi-Fi 2x2, 802.11ac + BT4.1, M.2 Card
Bluetooth Bluetooth 4.1 wireless, integrated in Wi-Fi + Bluetooth combo adapter

Dimensions 13.11" x 9.02" x 0.67" (WxDxH); 333mm x 229mm x 17.05mm
Weight Starting at 3.13 lb (1.42kg)
Media reader Micro SD, supports UHS-II SD card

Ports 
Three USB 3.1 Gen 1 (USB 3.0, one Always On), two USB 3.1 Type-C Gen 2 /
Thunderbolt 3 (support data, video, and power delivery), HDMI 1.4b,
Ethernet extension connector, combo audio / microphone jack

Camera HD720p resolution, fixed focus
Audio support HD Audio, Conexant® CX11771 codec / stereo speakers, 2W x 2 / dual array microphone, combo audio / microphone jack
Keyboard 6-row wave keyboard (rise & fall), spill-resistant, multimedia Fn keys, LED backlit
UltraNav™ TrackPoint® pointing device and 3+2 buttons multi-touch clickpad
Fingerprint reader Touch style match on chip fingerprint reader on the palm rest
Internal battery Li-Polymer 4-cell (56Wh), supports Rapid Charge (charge up to 80% in 1hr) with 65W USB Type-C AC adapter. please check picture for battery status.
Light sensor Ambient Light Sensor for auto backlit
G-sensor 3D accelerometer and 3D magnetometer

Lenovo OEM 65W USB Type-C AC adapter
Preload Windows 10 Pro 64