FeaturesAC-Powered, USB-Powered, Built-In USB Port
Compatible Modelt470s, x240, t460s, t450s, x260, T440, T440p, T440s, t450, T450s, t460, t460p,, t440, thinkpad 25, t470p, t440s, t460p, t560, t440p, t460, l470, l450, l570, p51s, L440, L450, l460, L540, L560, L570, P50S, P51S,, W550s, X240, X250, X260, X270., T550, x250, x270, t540p, t470, t450, t570, l560, l460, l540, l440, p50s, a475, t460s, T540p, T550, T560, T470, T470S, T470P,T570, w550s