Portable 3.5mm HIFI Headphone Amplifier Stereo Earphone AMP For Mobile Phone Grey

Package List: 1 x HiFi Amplifier (Not including charging cable) Description: This HiFi headphone amplifier, delicate, compact, lightweight, and portable, can improve your smartphone sound quality, making it possible for you to enjoy HD clear pure stereo sound without distortion. You're it! Features: HiFi Amplifier: It is delicate, compact, lightweight, and portable so that it can be carried conveniently. 3.5mm AUX Input and Output: 3.5mm AUX input and output, 95DB SNR and THD+N ＜0.006%, make it possible to output not just louder sound, but also sharper and more real stereo sound without distortion. Rechargeable : It adopts a rechargeable with 200mAH capacity, which allows it to stay working long time. Compatibility: It is specially designed for mobile phones, but also can be used to car audio, outdoor speaker and so on. HIFI Sound: Noise reduction function, and distortion with enhanced dynamics, perfect pure stereo effect, HD voice music sound quality optimization Specifications: Output :: 300mw * 2 / 16Ω Frequency / response:2-27KHZ 27KHZ Signal to noise ratio:95DB Dynamic range:90DB Separation:70DB Distortion:≤0.00 6% Input impedance:32 Ω Output impedance:≤ 200 Ω Operating temperature:-40℃ ~ 60℃ Storage temperature:-40℃ ~ 85℃ Storage humidity:10% ~ 90% :Built-in , 200mah (Charged by a Micro USB cable) endurance:Approx. 30 hours Size:70 * 25 * 10mm / 2.76 * 0.98 * 0.39inch :Gray ( as the pictures) Package weight:40g























a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a