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    Display: 0.91-inch OLED display

    Music Playback Application: ATC DSD Hi-Res music player

    Audio Processor: Cirrus logic CS8422
    XMOS XS1-U8A-64

    DAC: AKM AK4490

    Supported Formats: USB – PCM 16-32BIT/44.1- 384KHz, DSD64 – 256, DXD 24 – 32BIT/352.8 –  384KHz  Optical – PCM 16 – 24BIT/44.1 – 192KHz

    Headphone Amplifier: OPA1612 + BUF634 x 2

    Gain Control: +3/+6/+15dB

    Bass Boost: 0/+6dB

    USB-OTG Storage Support: USB2.0 OTG – compatible with iPhone, iPod Touch, iPad and Andriod

    Output: Headphone output (6.5mm stereo jack) x 1

    Maximum Headphone Output: 500mW (32 ohm loading)

    Output: S / N 112dB

    Distortion: 0.0025% (1KHz)

    Frequency Response:
    USB/SPDIF: 20Hz-20KHz (±0.5dB)
    Amp: 10Hz – 100KHz (±0.5dB)

    Sound Effects

    PCM digital filters
    – Sharp roll-off filter
    – Slow roll-off filter
    – Short delay sharp roll-off filter
    – Short delay slow roll-off filter
    DSD digital filters
    – Reserved cut-off filter
    – 50K cut-off filter
    – 150K cut-off filter

    Battery Capacity:  3.7V/40000mAh rechargable Li-polymer battery

    Battery Charging Time: About 5 hours by adapter

    Battery Life:  >11H (USB in), >16H (SPDIF in), >23H (AUX in)
    Dependent on the environment and use

    Power Sources for Charging:  AC/DC adapter, PC/Mac USB connection, third party mobile power bank

    Supported OS:  Win 7, Vista, Win XP, Win 8, Mac OS X, IOS, Andriod system

    Dimensions Width:  75mm x Height: 139.5mm x Depth: 23mm

    Weight:  270g

    Accessories:  USB cable x 2, silicone band x 2, rubber feet x 4, CD x 1, user manual x 1