Unbeatable Quality HIFI Fever Grade Ear Class A Heavy Bass Mobile Phone Headphones 3.5mm Audio Regulator Sound Amplifier

This product does not include tax. If you need an invoice, you need to add tax points. Please contact customer service for details. Overview: This HiFi Headphone Amplifier supports impedance 16-150 , Delicate, Compact and Portable, Which Make it Convenient to Carry, Can Output Remarkable Sound without Distortion. 3.5mm AUX Input and Output High Quality Audio, Suitable for your Mobile Phone MP3 MP4 Laptop PC Noise Reduction Function, and Distortion with Enhanced Dynamics, Perfect Pure Stereo Effect, HD Voice Music Sound Quality Optimization Aluminum Matte Surface, Fashion and Compact Design Not only suit for music enthusiast, also could be a ideal gift for those who has trouble hearing. Troubleshooting Q: Why there is an buzzing/hissing sound? A: Please don't use it while charging because current disturbance will occur when in charging. That's why there is noise. When fully charged, please disconnect the power supply, and then use the headphone amplifier. Q: This amp doesn't amp high enough for my bigger headphones, and why? A: This headphone amp supports headphones with 16-150 ohm impe dance. Please check the impedance of your headphone. Input/Output Port: 3.5mm Audio Port Distortion: 0.004% SNR: 120dB Load impedance: 16-150 Max. Power output: 250mW in Impedance 16 Amp Internal Voltage: 4V Charging voltage: DC 5V Frequency response: 20Hz-20kHz(3dB) Lithium-Battery capacity: 1000mAh Amp Using Time: about 6 Hours Dimension: 9.5*6.2*1.5CM Net weight: 160G Due to different shipping batches, there may be slight differences in the outer packaging of certain products. We will provide users with aesthetically pleasing and high-quality outer packaging without affecting product quality. The SKU image in some products may display multiple products of the same style, for reference only. If the specifications are not clearly stated, the quantity of goods in that specification is 1 piece. [Product Testing]: Before shipping and packaging, our company will also conduct individual tests to ensure that you receive the goods without any quality issues. If there are quality issues, please communicate with me in a timely manner so that the problem can be resolved and unpleasant incidents can be avoided. Thank you for choosing our product!