ROMOSS Sense 4 10400mah Dual USB Portable Charger External Battery Pack Power bank Power Supply Station for iPhone 6/6, iPad Air mini,android cell phone, Nexus and more (White Sense 4) Color: White Material: Plastic housing Adopts charge sync technology, with synchronous charging and discharging function Super Lithium-ion chip, cooling tech, energy saving technology and various protection system offers high safety coefficient Ergonomic design, exquisite and fashionable, comfort grip