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When you choose the Economy delivery option, packages are delivered Monday through Saturday 8 AM to 4:30 PM. Orders sent by Fast, 2-Business-Day or Next-Day shipping methods are delivered Monday through Friday from 8 AM to 4:30 PM.
We recommend choosing Fast or Next-Day delivery if you are shipping your package to a business address. You will be asked to provide a telephone number on the shipping page of checkout, which is important in the event the courier needs to arrange a delivery time with you.
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Headphone Amplifier Two-Stage Gain Switch, Portable Headphone Amp for MobilePhone & PC 3.5mm Stereo Audio Input Out
Two-stage gain switch:
High/Low gain switch for optimal performance of the headphones.It enhances the signal input into the amp circuit for the optimal performance of the headphones.
Make it possible output not only louder sound but a sharper and more Real stereo sound without distortion.
Rechargeable lithium polymer battery :
Built-in 1050mAh Rechargeble Battery, Charge by Micro USB Cable, More Convenient to charge.
It is not recommended to use while charging because current disturbance will occur when charging.
Specification:
Input and Output: 3.5mm
Capacity: 1050mAH(3.7V)
Amp Using Time: More Than 8-12 Hours
Working Voltage: 8.3V/1A
SNR>120dB
Distortion: 0.004%
Output Power: 40Mw in Impedance 16Ω
Headphone Impedance: 16-300Ω
Dimension: 3.75 x 2.45 x 0.6 in(L x W x H)
Package Included:
1 x Headphone Amplifier
1 x USB Power Cable
2 x Audio Cable
