eSynic Professional 16-300Ω Headphone Amplifier Rechargeable Headphone AMP Portable Headphone Amplifier 3.5mm Headphone Amps with Two-stage Gain Switch Perfect for MP3 MP4 Phones Digital Players etc

* *-----:Our eSynic Portable Headphone Amplifier is Delicate, Compact, Lightweight, and Portable that It can be Carry Conveniently. Aluminum Matte Surface and Fashion Design Provides You a Comfortable Handheld Feeling. and More Sturdy with No Signal Interference.Great Heat-Resistance, Stable Performance Durability and High Quality Ensured. * *----:Our eSynic 16-300Ω Headphone Amp Suports 3.5mm AUX Input and Output, SNR>100Db and THD+N 0.0003%. Support Headphones with Impedance of 16-300Ω.Make It Possibility to Output Not Just Louder Sound, but a Sharper and More Real Stereo Sound without Distortion. * - *----:This eSynic Rechargeable 3.5mm Headphone Amplifier With 2 Stage Gain Switch Which Enhances the Signal Input Into the Amp Circuit for Optimal Performance of the Headphones.Let Us Be Enjoy in the Wonderful Sound. * *-----:Our eSynic Portable Headphone Amplifier Adopts a Rechargeable Lithium Battery with 1000mAH Capacity, which Allows It to Stay Working More than 8 Hours. Beside,the Item Comes with 1.2m USB Cable and Audio Cable. Easy to Use * *-----:Our eSynic HiFi Earphone Headphone Amplifier can Remarkably Compatible with a Various of Digital Devices with 3.5mm Output, Such as MP3 MP4 Mobile Phone Computer. * *---:Our eSynic Headphone Amplifiers Series has Been a Brand for 10 Years We are Committed to Creating High Quality, Non-Destructive Sound Quality Headphone Amplifier, So that We can Enjoy the Wonderful Sound Together, and Let the Hearing Poor People Feel the Joy of Sound Again. Let's Become Friends and Chase a Better Future Together.