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

*eSynic Professional HiFi headphone Amplifier*-----: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. *With Purity Sound Quality*----:Our eSynic 16-300Ω Digital HiFi Earphone Amp Supooorts 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. *With 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. *Rechargeable Lithium Battery*-----The 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. *Wide Compatibility*-----:It can Remarkably Compatible with a Various of Digital Devices with 3.5mm Output, Such as MP3 MP4 Mobile Phone Computer.