1, portable USB DAC + AMP;
2, Individual USB interface : PCM2706 same as most usb dac
3, Individual high end DAC converter : WM8740 same as some hi-end audio products
4, Individual high fi amplifier : TPA6130 same as E5,E1
5, Build in Li-ion battery : 1100mAh vs E5 only 200mAh
6, Build in 128*64 OLED displayer : it is the first portable usb dac with OLED displayer in the world, and use to display battery life, volume , working information etc..
7, Build in 3 stage bass boost : So it is more suitable for different request!
8, Input/output:
Mini USB input x 1 : USB digital audio signal input and power supply
3.5mm stereo X1 : line in
3.5mm stereo X2 : Headphone out
Dock x1 : include USB interface, line in/out, Ir remote signal, etc..!
9, Output power: 150mW X 2
10, Playtime: >80 hours!