POENVFPO HiFi Headphone Amp - 600mAH Rechargeable Aluminum Alloy Black

1. [Two Stage Gain ] Headphone amplifier with high and low gain for premium headphone performance. Plug and play, easy and fast to use. 2. [3.5mm AUX Input And Output] Load impedance 16Ω to 600Ω. Not only for larger sound, but also for clearer, more lifelike stereo sound without distortion. 3. [Aluminum Alloy Material] Stylish design of the headphone amplifier provides a comfortable handheld feel, while the brushed aluminum makes it durable. 4. [Rechargeable] The headset amplifier is powered by a rechargeable lithium battery with a capacity of 1080mAh, giving it a working time of over 8 hours. 5. [Compatible] This headset amplifier is perfectly compatible with a wide range of digital devices such as MP3, MP4, mobile phones and computers. Specification: Item Type: Headphone Amplifier Material: Aluminum Alloy Color: Black Battery Type: Built in 1080mAh Lithium Battery (Included) Input: 3.5mm/0.1in Output: 3.5mm/0.1in Headphone Impedance: 16Ω-600Ω SNR: -120dB Distortion: 0.00022% Applicable Devices: Perfectly Compatible with MP3, MP4, Mobile Phones, Computers and Many Other Digital Devices How to Use: Plug and play after booting. packing list: 1 x Headphone Amplifier 1 x Sound Cable 1 x Data Cable Note: It is not recommended to use it while charging, as charging will produce current interference and may generate noise.