iSound iPhone/iPod Smart Backup Battery Pack (up to 30hrs)

Portable, rechargeable, indespensible.
Increase your iPhone/iPod usage time by up to 30hrs,
iSound plus's Smart Backup Battery Pack extends your iPhone usage time by 3 hours for talking, 6 hours for video playing or 30 hours for music playing!
Features:
- Includes Retractable USB Charging Cable.
- For convienient charging, use your wall charger or
  USB port.
- Smart, auto on/off charging technology protects the
  battery.
- Blue, green, red LEDs indicate charging status and
  capacity.
- Compatible with iPhone and iPod except shuffle.
- Component-quality polymer case.
- 1000mAh Lithium-ion battery.
- Output: DC 5V +/- 0.25V.
- Output current:500mA.
- In cludes travel pouch.
- Instruction Guide.
- Manufacturers Guarantee.
Compatible with:
- iPhone.
  iPod touch 8gb,16gb,32gb.
  iPod nano, 3rd generation(video) 4gb, 8gb.
  iPod classic 80gb, 160gb.
  iPod nano 2nd gemeration(aluminium) 2gb,4gb,8gb.
  iPod 5th generation(video) 30gb, 60gb, 80gb.
  iPod nano 1st generation 1gb, 2gb, 4gb.
Not compatible with ipod shuffle or 3rd generation ipod. Battery life will vary depending on the ipod model in use.iPhone/iPod not included.