Neoteck Portable 3.5mm Headphone Amplifier Two-Stage Gain Switch 16-300Ω

【Mini HiFi Headphone Amplifier】It is Delicate, Compact, Lightweight, and Portable that it can be Carry Conveniently
【3.5mm AUX Input and Output】3.5mm AUX Input and Output, SNR MORE THAN 120Db and THD+N 0.0003%, Make it Possibility to Output not just Louder Sound, but a Sharper and More Real Stereo Sound without Distortion
【Aluminum Matte Surface】Fashion Design Provides You a Comfortable Handheld Feeling While the Aluminum Matte Surface Makes it Durable
【Rechargeable Lithium Battery】It Adopts a Rechargeable Battery, Which Allows it to Stay Working About 12 Hours
【Wide Compacity】It can Remarkably Compatible with a Various of Digital Devices, Such as MP3 MP4 Mobile Phone Computer (Tips: It is not recommended to use while charging, because current disturbance will occur when charging, Which may lead to noise)