Mobile , digital cameras, mp3, mp4, GPS digital products super-matcher! Charger, data cable, card reader, flash disk , wirless net work card decoration ---wisdom combination What is smartcable? The Smsrtcable is a fashionable accessory with hidden cable and Card Reader.Smartcable used in the data transmission between in various mobile equipments(ipod、mobile、digital cameras、MP3、PDA、GPS、etc)and ***** also can provide the function through the computer to ***** Smartcable are in connect with mobile and computer, it makes computer become wirless online.(mobile must be applied wirless function and install process provided by manufacture.).So you neednt to worry lf you dont take the charger with you .