USB power cord length: 0.97 meters

Packing list: Host+USB power cable+audio cable+instruction manual

Length USB cable: 97cm/Audio cable: 100cm

[Mini hifi headphone amplifier] exquisite, compact, lightweight, portable and easy to carry
[3.5mm aux input and output] 3.5mm aux input and output, signal-to-noise ratio > 120 dB and thd + n 0.0003%, not only output louder, more realistic stereo, without distortion.
[aluminum matte surface] the fashionable design provides you with a comfortable hand-held feeling, and the aluminum matte surface makes it durable
[rechargeable lithium battery] it adopts rechargeable lithium battery with a capacity of 1500mah and can work continuously for more than 8 hours
[wide and small] it can be significantly compatible with a variety of digital devices, such as MP3, MP4, mobile phone and computer (Note: it is not recommended to use when charging, because current interference will occur during charging, which may lead to noise)

Product features:

Mini hifi headphone amplifier, easy to carry, can output extraordinary sound without distortion.
Current service time: more than 5 hours, load impedance: 16-300 Ω.
The two-stage gain switch enhances the signal input to the amplifier circuit for optimal headphone performance.
3.5mm aux input and output, signal-to-noise ratio > 120dB and distortion of 0.004%, making the output not only louder, but also clearer.
Compatible with MP3, MP4, mobile phones, laptops, 3.5mm audio and various digital devices.
The headphone amplifier has been used for more than 15 hours
Small portable headphone amplifier, easy to carry
High / low gain switch for optimal headset performance.
Load impedance 16-300 Ω for Sony, Sennheiser, Sennheiser rs120, HDR 120 and Beyerdynamic headphones.

features:

Output, signal-to-noise ratio>100Db, THD+N=0.0003%, completely filtering out noise, enjoying high-quality audio

[Two stage gain switch] - This headphone amplifier enhances the signal input of the amplifier circuit to achieve headphone performance. It can not only output louder sound, but also produce clearer and more realistic stereo sound without distortion

【 Rechargeable Lithium Battery 】 - Using a 1500mAH rechargeable lithium battery, the headphone amplifier can work for more than 8 hours. In addition, there is a volume control knob to adjust the volume

[Portable and Lightweight] - This headphone amplifier is designed to allow you to enjoy music anytime, anywhere; Smooth and sturdy shell and chassis for long-term use

[Wide Compatibility] - This amplifier is highly compatible with various digital devices, such as MP3 players MP4、iPhone、iPod、iPad、 Computers, CD players and personal media players, Xbox One, PS4, PS5 controllers, etc.

【 Good Sound Quality 】 - Restoring true sound quality within a wide dynamic range, reducing distortion, creating a wide and deep sound field, with delicate and accurate sound quality.