EF002 16-150 Ohm Headphone Amplifier Adjustable Audio Amp With 3.5mm Jack Cable

1. Aluminum matte surface, exquisite appearance
2. 3.5mm AUX in and out
3. Support 16-150Ω impedance, can output excellent sound quality without distortion.
4. High-quality audio, suitable for your mobile phone, MP3, MP4, laptop.
5. Noise reduction function, enhanced dynamic distortion, perfect pure stereo effect, high-definition voice and music sound quality optimization.

Specification:
1. Input/Output port: 3.5mm audio port
2. Distortion: 0.004%
3. Signal-to-noise ratio: greater than or equal to 120dB
4. Load impedance: 16-150Ω
5. Power output (MAX): 250mW at impedance 16Ω
6. Internal voltage of amp: +/-4V
7. Charging voltage: DC 5V
8. Frequency response: 20Hz-20KHz (+/-3dB)
9. Lithium battery capacity: 600mAh
10. Use time: about 6 hours
11. Size: 9.5×6.2×1.5cm
12. Weight: 160 grams