... keyboard for ipad 2)built-in battery with 4000mah capacity 3)auto sleep design 4)fast delivery Wireless keyboard with leather case for ipad ... Specifications: Capacity: 4000mAh1. Core type: li-ion polymer core, rechargeable, 500times above charging cycle,2. Hard plastic ... fully two times at least, for iPad one time.11.Gift box: 21.5*11.5*2.0cm, weight, 220g12.Carton size, ...