Features:● Multi-function: 3 in 1, can be used as amplifier, USB DAC or headphone amplifier
● Synchronize start-up and shutdown with your computer, save time
● 24bit / 96KHz USB connection for highest quality sound
● Full metal shell, nice touch feelings, cool decoration
● Free changer, 6.35mm audio port to 3.5mm audio port, available for both ports
● Metal RAC input / output interface, abrasion resistant
● Beautiful appearance, perfect gift

Specifications:
● Amplifier:
Output power: 25W x 2
Impedance: 4 - 8ohms
Output impedance: 0.19ohm
Frequency response: 20 - 20KHz ( 1.1dB more or less )
Digital noise floor: Less than 1mV
● Headphone amplifier:
Impedance: 16 - 300ohms
Maximum power output: 140mW
Frequency response: 20 - 20KHz ( 0.6dB more or less )
Digital noise floor: Less than 0.01mV
● Decoder:
Sampling frequency: 96KHz
Digital noise floor: Less than 0.025mV
Signal to noise ratio: 101dB Channels: 2 (2.0)
Model Number: VX1
Special Feature: Mini,Portable
Usage: Plug and play Package weight: 1.323 kg
Product Size(L x W x H): 20.00 x 13.00 x 5.00 cm / 7.87 x 5.12 x 1.97 inches
Package Size(L x W x H): 27.00 x 26.50 x 8.50 cm / 10.63 x 10.43 x 3.35 inches Package Contents: 1 x Amplifier, 1 x Power Adapter, 1 x Power Cable, 1 x USB Cable, 1 x Changer, 1 x Bilingual User Manual in English and Chinese