Lenovo ThinkPad T490 11.55V 51Wh Battery (5B10W13905)Lithium poly battery (internal) 4 cell battery Voltage: 11. 1v, Capacity: 4000 mAh Built in circuit protection for device safety 1 year nationwide warranty from LENOVO. A guided assurance on compatibility Get confirmation on chat support within seconds

Interface: 2

Hybrid Fiber/Copper design requires no external power

Round keycaps Old typewriter retro round keycaps

A quality cable specifically designed to alleviate stress from bending

this mouse works on almost any surface with astounding accuracy

Lithium-ion battery (external)

Convert your TV or projection-based whiteboard into an interactive panel

4GHz wireless connection via dongle

DTS-HD Master and Dolby Digital True HD Surround Sound compatible

Type C connector is symmetrical enabling the dongle to be plugged in up or down

Maximize your efficiency with a limited number of the original keys from a standard keyboard

Battery capacity: 38Wh