Portable Headphone Amplifier with Lithium Battery Two-Stage Gain Switch 3.5mm Audio Rechargeble HiFi AMP for MP3 MP4 Mobile Phone ipad PC

• 16-300Ω Mini HiFi headphone amplifier, It is delicate, compact, lightweight, and portable that it can be carry conveniently.
• 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.
• Two-stage gain switch enhances the signal input into the amp circuit for optimal performance of the headphones
• Aluminum matte surface, fashion design provides you a comfortable handheld feeling while the aluminum matte surface makes it durable.
• Rechargeable lithium battery, it adopts a rechargeable lithium battery with 600mAH capacity, which allows it to stay working more than 8 hours.
• Universal compatibility, it can remarkably compatible with a various of digital devices, such as MP3 MP4 mobile phone computer.

Specification???

• Lithium battery capacity: 600mAH
• Amp using time: more than 8 hours
• Amp internal working voltage: ±4V
• SNR>100Db
• THD+N 0.0003%
• Output Power: 40Mw in Impedance 16Ω
• Adapted Headphone Impedance: 16-300Ω
• Dimension: 95 x 62 x 15(L x W x H)

Package Included:

• 1 x Headphone Amplifier
• 1 x USB Power Cable
• 1 x Audio Cable
• 1 x User’s Manual