eSynic Portable Headphone Amplifier Rechargeble Audio Digital HiFi Earphone Amp 3.5mm with Two-stage Gain Switch, USB Cable and Aluminum Matte Surface for MP3 MP4 Phones Digital Players and Computers

* *-----: Our eSynic Headphone Amplifier 3.5mm 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. * - *-----: Our eSynic Professional Headphone Amplifier Rechargeable 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. * *------: This eSynic Protable Headphone Amp 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.Let Us Be Enjoy in the Wonderful Sound. * *-----: Our eSynic Portable Headphone Amplifier Made of the Aluminum Matte Surface Makes it More Sturdy with No Signal Interference.Great Heat-Resistance, Stable Performance Durability and High Quality Ensured. Achieve Noise Reduction, and Lossless Transmission. * *------:This eSynic 3.5mm 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.