Usb Charger Port Dock Flex Cable + Mic + Buzzer Ringer or Loud Speaker + Antenna Sticker Receiver Pre-assembled / Assembly for Iphone 3g ( Not for 3gs ) Pre-assembled full kit of dock usb charger port + mic + speaker + antenna use for repairing your iPhone 3g USB charging dock connection problem, antenna not receiving signals, microphone does not work, loud speaker distorted / broken. All parts assembled for easy installation Your phone will work and function as new