WvvMvv 16-300 ohm Headphone Amplifier 16-150 ohm HiFi Earphone Amplifier 3.5mm Jack Aux Portable Adjustable Audio Amp

Feature：1. Mini HiFi headphone amplifier, It is delicate, compact, lightweight, and portable that it can be carry conveniently. 2. 3.5mm AUX input and output, make it possibility to output not just louder sound, but a sharper and more real stereo sound without distortion. 3.Two-stage gain switch enhances the signal input into the amp circuit for optimal performance of the headphones 4. Rechargeable lithium battery, it adopts a rechargeable lithium battery with 1000mAH capacity, which allows it to stay working more than 8 Hours. 5. Universal compatibility, it can remarkably compatible with a various of digital devices, such as MP3 MP4 mobile phone computer.Specifications:Lithium Battery Capacity: 1000mAH Amp Using Time: More Than 8 Hours Adapted Headphone Impedance: 16-300Ω Dimension: 9.5 x 6 x 1.5cm(L x W x H)Package included:1 x Headphone Amplifier 1 x USB Power Cable 1 x Audio Cable