Specifications

Size: 71*17.5*133.5 mm
Screen: 4.7 inch 720*1280 Sharp IPS HD screen
Weight: 233 g
System: Android 7.1
Audio formats: DSD( ".dsf/.dff/.iso" )/ DXD/ DTS/ APE/ FLAC / WAV / AIFF / AlF /
                        ALAC/MP3/WMA/AAC/M4A/OGG/MP2/AC3/OPUS/M3U/M3U8
Support up to: 32 bit/768 kHz DSD512 Hardware
Switchable gain: Low, Medium, High
Storage: 4GB RAM+32GB ROM+External Micro SD card, up to 2TB.
D/A converter: ES9038Q2M x 2
Digital filter: 7 different filters

Bluetooth:
Bluetooth version: 4.2
Codec support:
Bidirectional-LDAC & SBC
Transmit only-LHDC, aptX HD & aptX

Single-ended output measurements:
Frequency response: 20 Hz-40 KHz (0.5dB) 
THD+N: 0.0005 %
Channel separation: 76 dB@32Ω
Dynamic range: 123dB
Signal to noise ratio: 124dB
Output impedance: 0.3Ω
Output power: Low gain: 12 mW@32Ω
Medium gain: 48 mW@32Ω
High gain: 190 mW@32Ω


Balanced output measurements:
Frequency response: 20 Hz-40 KHz (-0.5dB)
THD+N: 0.0006 %
Channel separation: 111dB@32Ω
Dynamic range: 126 dB
Signal to noise ratio: 127 dB
Output impedance: 0.6Ω
Output power: Low gain: 36 mW@32Ω
Medium gain: 143 mW@32Ω
High gain: 570 mW@32Ω
WiFi: 2.4G/ 5G, OTA firmware upgrade, Wi-Fi file transfer
Life time: 11H (single-ended) 8H (balanced)
Battery capacity: 4000 mAh