HiFi Headphone Amplifier It can connect various audio players and mobile phones to process, amplify and output its audio signals, which can drive all kinds of earphones. FEATURES： Design is normally used to drive a headphone with a relatively high impedance. Delicate, compact, lightweight, and portable. Two-stage gain switch USB Rechargeable lithium battery Volume control Note： If you use for iphone to headphone amp,lightning to 3.5mm cable is not included, you need to buy it yourself Specification: Input: 3.5mm Output:3.5mm Capacity: 1050mAH（3.7V） Amp Using Time: More Than 7-9 Hours Working Voltage: 8.3V/1A SNR>120dB Distortion: 0.004% Output Power: 40Mw in Impedance 16Ω Headphone Impedance: 16-300Ω Audio cable: 1m long, both male Package Included: 1 x Headphone Amplifier 1 x USB Power Cable 1 x Audio Cable 1 x User Manual Two-stage gain switch： High/Low gain switch for optimal performance of the headphones.It enhances the signal input into the amp circuit for the optimal performance of the headphones. Make it possible output not only louder sound but a sharper and more Real stereo sound without distortion. Rechargeable lithium battery： Built-in 1050mAh Rechargeble Battery, Charge by Micro USB Cable, More Convenient to charge. It is not recommended to use while charging because current disturbance will occur when charging.
Two-Stage Gain Switch: Headphone Amplifier High/Low gain switch for optimal performance of the headphones.
3.5mm AUX Input and Output: Load Impedance 16-300O. 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: Headphone Amplifier It Adopts a Rechargeable Lithium Battery with 1080mAH Capacity, Which Allows it to Stay Working More than 8 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)
