... housing, metal lustre good heat dissipation led light and indicator competitive price Specification1.Aluminum housing with metallic texture2.Capacity: ... .Sufficient capacity 4000mAh, 2.Provide emergency power for most portable electronic devices with various tips: iPod,iPhone, iPad, Nokia ... , MP3/MP4,digital cameras, etc.3.charge,capacity level indicator, power switch, led light4. Product weight: 120g