GemTune WS1.2 Bluebird Hifi Portable Headphone Amplifier

GemTune Bluebird series is dedicated to bring pure and exquisite music. WS1.2 gives up all the dazzling functions you don't really need to focus on refining the sound for your headsets, which is what you ultimately ask for from a headphone amp.
GemTune WS1.2 is a ideal partner for your headset which will surely refine the sound, specially when you're expecting better lows from your headset.

Features: Class A headphone amplifier, with higher output power, can vastly improve the music quality.
Produces rich stereo sounds with outstanding lows, especially ideal to use with moving-iron headphones.

Product Details
Model: WS1.2
Product Dimensions: 24mm*81mm*57mm
Weight: 0.16kg
Output Power: 580MW (32Ω)
Maximal Input Voltage: 450mV
S/N Ratio: 126dB (A)
Distortion: ≦0.02%
Channel Separation: ≧72dB
Frequency Response: 23Hz - 19kHz (+/- 0.05dB)
Output Noise: ≦0.07mw
Output Impedance: 16ohm - 320 ohm
Input Impedance: 10kohm
Endurance: 8-9 hrs (Varies depending on headphone impedance and music volume)
Charging Time: around 4.5 hrs (The green indicating light will turn off when fully charged.)

Package Including
1 * Headphone Amplifier, 1 * Charger, 1 * 3.5mm Cable