Long-lasting 2000mAh internal lithium polymer battery lasts about 8 hours once being fully charged.
Adopts aluminum material to prevents external interference noise from the audio device, the wireless signals, and other irrelevant noise.
Able to drive various types of earphones. Compatible from 16 ohms (for low-impedance earbuds) to 150 ohms (for professional-quality, high-impedance headphones).
Fashionable mini appearance, it is light, portable and easy to carry anywhere.
There is an LED indicator for power on, battery charge, and low battery indication, and battery charge is done through the convenient micro USB port.
Output power: 40Mw in impedance 16Ω
Adapted headphone impedance: 16-150Ω
THD+N: 0.0003 %
Battery: 3.7V, 2000mAh
Playback time: about 8H
Main material: metal
Item size: 98 * 62 * 18mm / 3.85 * 2.44 * 0.70in
Item weight: 120g / 4.23ounce
Package size: 140 * 95 * 34mm / 5.5 * 3.7 * 1.3in
Package weight: 196 / 6.9ounce
1 * Headphone Amplifier
1 * USB Cable
1 * 3.5mm Audio Cable
1 * User Manual