Notetalker Power Card is a mobile phone power card for charging an iPhone, iPod, all smart mobile phones (like HTC, Samsung, Nokia, Blackberry, Sony Ericsson LG etc.), MP3/MP4 player, NDS, PSP, GPS, PDA, Digital Camera, Bluetooth devices etc. It is the size of a credit card and has an accessory cable with all smartphone connectors( iPhone 4 through to iPhone 7, Samsung, Nokia, Micro USB, Mini USB, PSP, MP3/MP4/MP5). Ideal for using when you are using a lot of battery power when out and about. Just charge up overnight and put in your wallet or handbag with your phone. It has charge for approximately two complete phone charges for an Apple iPhone 7, Samsung S7 or similar phones.