HiFiMAN HM-602 vs HiSoundAudio STUDIO

[HisoundRU]

SPECIFICATIONS OF STUDIO.

Earphone amplifier grade: Grade A (class A) circuit design.
Amplifier type: Built-in individual earphone amplifier
Sound process: Built in Hisound audio processing module.
Bundled earphone: Hi-Fi earbud
Frequency Response: 20Hz-25 kHz (earphone)
Sensitivity (dB): 99dB (earphone),
Impedance: 32 ohm earphone (earphone)
Power-Handling: 100mW peak / 30mW rated (earphone)
Memory capacity: 8GB＋expanding SD card slot (16GB).
Card Compatibility: Micro SD, HCSD
Radio: Hi-Fi FM (Radio frequency can be customized refer todifferent city Radio frequency segments.)
Battery capacity: 2000Ma rechargeable Li-ion battery
Battery continually playing time: >100hours (volume set at 6 degree)
Proprietary Power saving technology: EMA Technology (Energy Management and Admeasurements Technology)
Compatible formats: MP3, WMA, WAV, FLAC
Audio-in port for external sound sources.
Screen: 1 inch OLED
Color available: Brushed Silver and black
UI Operation: Mechanical key button operation (one-hand and blind operation capability)
USB type: mini USB 2.0
Dimensions: 81.5 mm x 50 mm x 20.6 mm
Weight: 140G

[nap21]

HisoundRU, приветствую вас, не могли бы вы дать мне исчерпывающую инфу по hisound studio 3rd.спасибо.