Portable Headphone & Hifi Earphone Amplifier 16-300 Ohm, 3.5mm Aux Jack,. Enhance Your Audio Experience with Our HiFi Headphone Amplifier, a Sleek and Compact Solution for Superior Sound Quality. Designed for Portability, This Mini Amplifier Fits Easily into Your Pocket or Bag, Making It Perfect for On-the-go Listening. With a 3.5mm AUX Input and Output, It Delivers Not Only Louder but Also Clearer Stereo Sound Without Distortion. Equipped with a Two-stage Gain Switch, the Amplifier Maximizes Your Headphone Performance, While Its Rechargeable 1000mAh Lithium Battery Ensures Up to 8 Hours of Uninterrupted Listening. Compatible with a Wide Range of Devices, Including MP3 Players, Smartphones, and Computers, This Amplifier Supports Headphones with an Impedance Between 16-300Ω. Crafted with an Aluminum Matte Surface, It Offers a Stylish Look to Complement Its High-quality Audio Capabilities. The Noise Reduction Function Enhances Audio Purity, Providing an Exceptional Auditory Experience. Features: - Portable Design: Lightweight and Easy to Carry. - High-Quality Sound: 3.5mm AUX Input/output, Sharp Stereo Output. - Two-Stage Gain Switch: Optimizes Headphone Performance. - Long Battery Life: 1000mAh Capacity for over 8 Hours of Use. - Wide Compatibility: Works with Devices Like MP3/MP4 Players and Laptops. - Noise Reduction: Reduces Dynamic Distortion for Pure Audio. - Impedance Support: Compatible with Headphones Ranging from 16-300Ω. - Distortion: 0.004% - Signal to Noise Ratio: ≥120dB - Max Power Output: 250mW at 16Ω - Frequency Response: 20Hz-20KHz (±3dB) - Charging Voltage: DC 5V - Dimensions: 9.5 X 6.2 X 1.5 Cm - Included Accessories: USB Power Cable, Audio Cable Elevate Your Listening Experience with This Premium Headphone Amplifier, Ensuring Clear, Vibrant Sound Wherever You Go.. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.