eSynic Portable Headphone Amplifier Audio Rechargeble Digital HiFi Earphone Amp 3.5mm with Two-stage Gain Switch, USB…

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*Mini Headphone Amplifier*—–: It is a Power Amplifier Specially Designed for Headphones, Mainly Used for High-level and Middle-level Headphones with 16-150Ω Delicate, Compact, Lightweight, and Portable that it can be Carried Conveniently, can Output Remarkable Sound without Distortion.
*Two-Stage Gain Switch*—–: This eSynic Headphone Amplifier With Two-Stage Gain Switch Which Enhances the Signal Input Into the Amp Circuit for Optimal Performance of the Headphones.And Support 3.5mm Headphone Jack Input and Output
*Perfect Sound Quality*——: This Headphone Amplifier Snr>100Db and Thd+N 0.0003%, Make it Possibility to Output not Just Louder Sound, But a Sharper and More Real Stereo Sound without Distortion.
*100% Brand New & High Quality*—–: The Aluminum Matte Surface Makes it More Sturdy with No Signal Interference. Great Heat-Resistance, Stable Performance Durability and High Quality Ensured.
*Rechargeable Lithium Battery*——:This eSynic Headphone Amplifier items Adopts a Rechargeable Lithium Battery With 1200mah Capacity, which Allows It to Stay Working More Than 5 Hours. Compatible with a Various Of Digital Devices, Such as Mp3 Mp4 Mobile Phone Computer.