Mini HIFI Headphone Amplifier Portable Earphone AMP 3.5mm Audio w/USB Cable

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Mini HIFI Headphone Amplifier Portable Earphone AMP 3.5mm Audio w/USB Cable
Product Description
Description:
Support most high-impedance 16-300Ω headphones, 3.5mm AUX input and output, signal-to-noise ratio>120Db, THD+N=0.0003%, fully filter out noise, and enjoy high-quality audio
This headphone amplifier enhances the signal input to the amplifier circuit to achieve the best performance of the headphone, not only output louder sound, but also output clearer and more realistic stereo without distortion
Adopts 600mAH rechargeable lithium battery, keep the headphone amplifier working for more than 8 hours. In addition, there is a volume control knob to adjust the volume
Compatible with various digital devices, such as MP3, MP4, Phone, Pad, computers, CD players and personal media players, for one, for PS4/PS5 controllers, etc. .
Portable and Lightweight, designed to let you enjoy music
Specification:
Type: Headphone Amplifier
Size:Approx.9.5 x 6.2 x 1.5cm/3.7 x 2.4 x 0.6 inch
Headphone amplifier Audio Input: 3.5 mm,
Audio output: 3.5 mm
Battery capacity: 1000mAH
Working voltage: DC3.7-4.2V
Charging voltage: DC5V
Package Includes:
1x Headphone Amplifier
1x Audio cable
1x USB Cable
Contact us:
Payment:
Shipping:
Warranty
Return
Contact us:
We have always been trying to provide the best service and reliable products for every customer, however, accident may happen sometimes, please contact us to resolve any issue before leaving a negative feedback.
Payment:
1. All payments must be prepaid before shipping.
2. We only accept payment via PayPal. Please kindly check if you can do the payment via PayPal before placing an order.
Shipping:
1. Item will be shipped same business day if paid 4 pm EST 1 pm PDT
(except weekends and holidays) and shipped from US.
2. Orders from the United States will all be shipped out via starnding shipping or economy shipping. The shipment usually takes 3-7 business days(Saturday and Sunday excluded), if you need the item urgently, please contact us for detail before purchase. Orders from overseas will be shipped via DHL Express, 3-5 business days.
3. Local pick up is not available.
Warranty
. The warranty shall not apply to the following circumstances:
a) Damage caused by undue ware&tear, misuse, improper installation or operation, neglect, accidents.
b) Damage caused by natural disaters, flood, fire, lightning or pollution.
c) If item was opened, any parts removed or repaired by any unauthorized person.
Return
(1).We stand behind our items and offer 60 days warranty. All items are in  brand new condition unless specified otherwise elsewhere in the description.
(2).All returns - defective or otherwise - have to be preauthorized. Please  contact us to get an authorization and returning address before sending the  item back.If an item is returned because of an undeliverable shipping  address, buyer agrees to pay the cost for re-shipment.
(3).Please note that If the return/replacement is not a result of our mistake  (not defective or wrong item), the buyer is responsible for return shipping,  as well as a 20 percent restocking fee.
(4).Replacement or refund will be made upon receipt of the returned item. If  you do not want to wait for the replacement, you can just reorder one and  then send the first one back for a refund.