FSH Tech Pocket Size Power Bank Ultra Slim Travel and Built-in Micro USB Cable - External Cellphone Battery Charger and Backup pack 4000mah: Ideal for Smartphone, iphone 5, 5c, 4s, 4, Note 3, Nexus 4, Samsung Galaxy S5, S4, S3, htc one, One 2, mobile phones, tablet PC, ipad air, MP3, MP4, PSP, camera, DV and other USB digital devices - User Friendly With Full GUARANTEE Super Built in Micro Cables For iphones 5, 5s, 5c, 4s, 4 and other Smartphones. Fully compatible with all kinds of mobile phones, tablet PC, ipad, MP3, MP4, PSP, and other digital devices. Charges Fast and retain power for longer period of time when disconnected and not in use. 4000 mAh capacity. Li- polymer Battery Grade A. When fully charge, can charge your smartphones or other devices 3-times before becoming Flat. Fully power protected, Discharge protection, Over-Current protection, Short Circuit Protection and Explosion-proof. Long cycle life and fast charging, safe and reliable, suitable for use in the travel and outdoor activities The input voltage, DC 5.0V, /1A Output 5V 1A, MaterialABS+alloy . Product size (mm) : 106 *67*8.5 mm. Product weight: 108g