Xbox 360 Charging Dock & Battery Pack:

• Powered through USB port of Xbox 360 game console or PC or AC power adapter. 
• Two controllers can be charged simultaneously, one single controller could be fully charged within 2 hours, and two controllers just need about 4 hours by hi-capacity 5V/1A AC adapter. 
• Charging dock have dual distinct colored LED light indicator showing charge status: Red-Charging, Yellow-Charged. 
• A 3.3ft/1M USB charging cable Included. 

Package Content: 

• 1* Dual Charging Station for Xbox 360 Controller 
• 2* 1200mAh Ni-MH Rechargeable Battery 
• 1* USB Charging Cable 

Note: 

• The Xbox 360 controllers in the pictures are not included in the package.
• When power is supplied to the equipment, the red and yellow lights flash alternately 2 times and do NOT light at standby. Charging - Red. Charged - Yellow.