Proprietary Auzentech Headphone Amplifier
Dual Headphone Output port to share your listening with your friends
ZX-Driver provides Ultra-Low Distortion and Max 180mW output power
J-FET OP-AMP to provide Vacuum Tube like sound output
Proprietary Auzentech Balanced Power Supply
Sound Mode, Selector button & Status Indicator
Touch panel volume control
Unique & compact design to match your iPhone 4 look
Impressive 1650mAH Li-Polymer battery with Smart protection circuit
4-Steps LED battery life meter and battery life check button
Charge via USB port (from desktop PC or Laptop) with supplied USB cable
Supports USB pass through, iTunes Sync
Last up to 500 full charges