eSynic Professional 16-300 Ohms Headphone Amplifier 3.5mm Portable Headset Volume Amplifier Rechargeble Headphone Amp Aluminium Alloy Headset Jack Amp With Gain Switch for Phones Laptop etc;

Overview:
HiFi headphone amplifier, delicate, compact, lightweight, and portable, which make it convenient to carry, can output remarkable sound without distortion.

Feature：
1. Mini HiFi headphone amplifier, It is delicate, compact, lightweight, and portable that it can be carry conveniently.
2. 3.5mm AUX input and output, SNR>100Db and THD+N 0.0003%, make it possibility to output not just louder sound, but a sharper and more real stereo sound without distortion.
3.Two-stage gain switch enhances the signal input into the amp circuit for optimal performance of the headphones.
4. Aluminum matte surface, fashion design provides you a comfortable handheld feeling while the aluminum matte surface makes it durable.
5. Rechargeable lithium battery, it adopts a rechargeable lithium battery with 1000mAH capacity, which allows it to stay working more than 8 Hours.
6. Universal compatibility, it can remarkably compatible with a various of digital devices, such as MP3 MP4 mobile phone computer.

Specification：
Lithium Battery Capacity: 1000mAH
Amp Using Time: More Than 8 Hours
Amp Internal Voltage: ±4V/1A
Amp battery voltage: DC3.7V - 4V
SNR>100Db
THD+N 0.0003%
Output Power: 40Mw in Impedance 16Ω
Adapted Headphone Impedance: 10-150Ω
Dimension: 95 x 52 x 13(L x W x H)

Package Content:
1 x Headphone Amplifier
1 x USB Power Cable
1 x Audio Cable
1 x User's Manual