Hifi Headphone Amplifier Mini Stereo Earphone Amp With 3.5mm Jack For Music. Introducing a Versatile and Compact Headphone Amplifier Designed to Elevate Your Audio Experience. Perfectly Supporting High-impedance Headphones from 16 to 300Ω, This Sleek Mini Amplifier Ensures High-quality, Noise-free Sound with a Signal-to-noise Ratio Greater Than 100dB. The Two-stage Gain Switch Boosts the Input Signal for Clearer, Distortion-free Audio, Delivering a Richer and More Immersive Soundscape. Equipped with a 600mAh Rechargeable Lithium Battery, This Amplifier Provides over 8 Hours of Uninterrupted Playback. Its Portable Design and Durable Casing Make It an Ideal Companion for Music Lovers on the Go. It is Widely Compatible with a Variety of Devices Including MP3/MP4 Players, Smartphones, Tablets, Computers, Gaming Consoles, and More. Features: - Supports High-Impedance Headphones: 16-300Ω Compatibility - 3.5mm AUX Input/Output: Easy Connection for High-quality Audio Transmission - Two-Stage Gain Switch: Enhances Signal Input for Optimal Performance - Rechargeable Battery: 600mAh Capacity for over 8-hour Usage - Portable Design: Lightweight, Durable, and Perfect for Travel - Wide Device Compatibility: Works with Smartphones, Tablets, Computers, Gaming Consoles, Etc. - Volume Control Knob: Simple and Intuitive Volume Adjustments - Fast Charging: Takes Just 1-2 Hours for a Full Charge - Load Impedance: 16-300Ω - Audio Input: 3.5mm Jack - Audio Output: 3.5mm Jack - Battery Capacity: 600mAh - Charging Voltage: DC5V Package Includes: - 1 Earphone Amplifier - 1 Audio Cable - 1 USB Power Supply Line - 1 Manual Enjoy a Refined Auditory Experience Anytime, Anywhere with This High-performance Headphone Amplifier.. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.