GiftU corporate gift expert, provides customised USB Power bank, mobile charger, solar charger and business gift set, small order welcome, quality assurance - 2200mAh capacity in small design - Different capacity and color are available - included 1 x USB cable + 4 connectors (iphone 4/ Samsung/ Micro USB/Macro USB) - Included standard paper box packing - Cell type: Lithum polymer battery - Input:MicroUSB 5.0V±0.5V/1A,output:USB 5.0V±0.5V/1A - Built-in high capacity and quality Lithum polymer battery, long battery lifespan, more than500 times recharge cycles. - High standard safety protection design,including discharger overcharge, overload, short-circuit, lighting protection function. - Samsung or imported battery with Rohs & CE standard , quality guaranteed