Neoteck Headphone Amplifier Portable 3.5mm Audio Rechargeble HiFi Earphone Headphone Amplifier with Lithium Battery and Aluminum Matte Surface Ideal for MP3 MP4 Phones Digital Players and Computers

All Neoteck Product Comes With 18 Months US Base Warranty Overview: HiFi Headphone Amplifier, Delicate, Compact, Lightweight, and Portable, Which Make it Convenient to Carry, Can Output Remarkable Sound without Distortion. Features: Portable Small Compact Audio Stereo Headphone Amplifier is Convenient and Easy to Use 3.5mm AUX Input and Output High Quality Audio, Suitable for MP3 MP4 Mobile Phone Laptop PC Noise Reduction Function, and Distortion with Enhanced Dynamics, Perfect Pure Stereo Effect, HD Voice Music Sound Quality Optimization Aluminum Matte Surface, Give You a Sturdy Feeling Built-in Rechargeble Battery, Charge by Micro USB Cable Power LED and Charge LED Indicator Supported Specifications: Input/Output Port: 3.5mm Audio Input Lithium Battery Capacity: 2000mAH Amp Using Time: More Than 8 Hours Amp Internal Voltage: 8.3V/1A SNR>100Db THD+N 0.0003% Output Power: 40Mw in Impedance 16? Adapted Headphone Impedance: 10-150? Dimension: 97 x 60 x 15(L x W x H) Package Included: 1 x Headphone Amplifier 1 x USB Power Cable 1 x Audio Cable 1 x User Manual