DAC and Headphone Amplifier Fiio Q1 MK2

Selling my Fiio Q1 MK2
Beautiful condition.
I was using it as a mobile DAC for headphones as well as an USB DAC to feed 2 channel amplifier.
Slick device.
Very pleasant, clear, neutral to slightly warm sound

Specs:

Weight: About 101g
Dimensions: About 99mm x 59mm x 12.5mm
Audio Input: Micro USB/3.5 mm Jack
Headphone Output: 3.5 mm stereo jack
Balance Headphone Output: Supported (2.5mm balanced headphone jack)
Recommended Headphone Impedance: 16~100Ω(PO),16~150Ω(BAL)

Bass Boost: 0/5.4dB
Channel Imbalance: 0.2 dB
Power Input: DC5V 2A recommended
Battery Capacity: 1800mAh
Charge Time: ≤4h
Battery Life: ＞20h（AUX IN）＞10h（USB IN）
USB DAC: Up to 384kHz/32bit supported
DSD Support: DSD64/128/256
Line output specifications
THD+N: ＜0.003% (1 kHz/10kΩ)
SNR: ≥110 dB (A-weighted)
Frequency Response: 6 Hz~80 kHz（-3dB）
Channel Separation: ＞90 dB (1 kHz)
Max Input Level: 3.4V