iBasso T3
Ultra Portable Headphone Amplifier

Main features:
3ch Architecture Design
Two Gain switches
ALPS Potentiometer
Anodized Stainless Steel Case
Rechargeable Li-Polymer Battery with integrated charging system
Charging is accomplished with either the USB cable or AC adapter
Up to 38 hours of play time
Measures 64.5L x 37W x 10H (mm), and weighs only 28g