... months 2.OEM/ODM Services: We provide OEM/ODM services for our global clients. Including logo printing (silk screen, laser engraving ... year,we can offer the free maintenance service.6.Packing for your option: 1.Black magnetic box ,silver box ,plastic box ... made packing also welcome 4400mAh Universal Portable Rechargeable Backup PowerBank for mobile phone, digital camera, PDA, PSP, MP3, MP4 ...