KEBIDU Portable Headphone Amplifier 3.5mm Stereo Output Two-stage Gain Switch Support Gain For Smartphone MP3 MP4 Computer

HiFi Headphone AmplifierResource :1. Mini HiFi headphone amplifier, is delicate, compact, lightweight, and portable, and can be carried around conveniently.

2. 3.5mm aux input and output, snr> 100db and the n 0.0003% allow you to produce not only a louder sound but a clearer and truer stereo sound without distortion.

3. Two-stage gain switch improves signal input into amplifier circuit for optimal headphone performance

4. Matt aluminum surface, fashion design provides comfortable hand feeling while matte aluminum surface makes it durable.

5. Rechargeable Lithium Battery, it adopts a rechargeable lithium battery with a capacity of 1000mah, which allows it to keep working for more than 5 hours.

6. Universal compatibility, it can be remarkably compatible with various digital devices such as computer cell phone MP3 MP4.Specification :Lithium battery capacity: 1000mah

Amplifier usage time: more than 5 hours

Amplifier internal voltage: ±4v/1a

Sr> 100db

The n 0.0003%

Output power: 40mw 16unf impedance

Adapted headphone impedance: 16-300unf

Dimension:  95x52x13Amplifier battery voltage: DC3.7v - 4vPackage Included :1 x Headphone amplifier

1 x USB power cable

1 x Audio cable

1 x User manual