I enjoy the sound from this portable device but I'm looking elsewhere for my audio fix. Battery is fine and no issues with operation. I think this sounds better than the Chord Mojo. Just my opinion. Comes with original box and usb cable. Free shipping in the states and PP fees are on me. RICHER AND WIDER PALETTE OF SOUNDS IN YOUR POCKET Battery powered DAC / amp 8 hours battery life: 1750mAh Power ON/OFF auto detection Sabre ES9018K2M 32bit DAC for 100% native decoding of PCM and DSD / DXD PCM : up to 32bit / 384KHz PCM DSD : Native DSD DSD over PCM(DoP) DSD64 (2.8224MHz), DSD128 (5.6448MHz) DXD(24Bit/352.8KHz) Sample rates : 44.1KHz, 48KHz, 88.2KHz,96KHz, 176.4KHz,192KHz, 358.2KHz, 384KHz Outputs: 3.5mm Earphone Out Output level: 1.9Vrms(No Load) Output impedance: 1.2ohm S/N Ratio: 113dB @ 1kHz Cross Talk: 124dB @ 1kHz THD+N: 0.008% @ 1kHz Compatible with IOS and Android OS Controllable by iPhone and other Smartphone applications.