This screwdrivers uses chucks of the keyless type. It runs on a rechargeable battery, so it's completely cordless.
See everything within Bosch Professional
From Amazon
Bosch Professional 12V System GSR 12V-15 FC cordless drill/driver (without rechargeable battery and charger, in cardboard box) – FlexiClick system
Conrad Electronic
Bosch Professional GSR 12V-15 FlexiClick 06019F6004 Cordless drill 12 V Li-ion w/o battery
This product is also available at 1 unverified merchant.