Product size: 45*20*3mm/1.77*0.79*0.12"
Feature:
1. Power supply: You can directly use a MICRO USB cable 5V to directly supply power, or you can also connect to a 5V power supply or a 3.7V lithium battery. (Note that the power supply interface of 5V and 3.7V is different. 5V is connected to 5V and GND, and 3.7V lithium battery is connected to VBAT and GND. )2. The maximum operating current is 5V 2A. It is recommended to use a 5V 2A regulated power supply for better sound quality.
3. Support USB sound card, driver free (plug and play). Connect the module to the computer with a USB data cable, and the computer can play music through the module's amplifier output.
4. Audio output: Output left and right channel stereo audio signals, which can be connected to two 2-8 ohm and 3-5W speakers respectively, and 4 ohm 5W speakers are recommended for storage.
5. This product has built-in dual 5W power amplifier circuit, you must not use another power amplifier! The output of the two power amplifiers cannot be connected in parallel or the negative pole is connected together, otherwise the power amplifier chip will be damaged.
Specification:
Product size: 45*20*3mm/1.77*0.79*0.12"
Note:
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.
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* We accept PayPal only.
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* All major credit cards are accepted through secure payment processor PayPal.
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* Payment must be received within 7 business days of auction closing.
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* If you have bought multiple items from me, you can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, eBay will automatically determine if there are other items you have won or purchased from me and will combine them for your review.
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* Refunds are normally issued with 2 working days.If you need any further information regarding payments,please contact us via eBay message.
* If you have any special requests, please send us a message before making the payment. -
*NOTE: Import duties, taxes and chargers are not included in the item price or shipping charges. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what these additional costs will be prior to bidding buying.
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* 12 months Warranty. Buy with confidence!
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* If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.
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* If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
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* If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
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* We ship from the item location.
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* Items will be shipped within 3 business day(S) after payment completed received.
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* NOTE: Please check the parcel before sign for it, If any problem with the parcel please mark on the signature that "Damaged when received" when signing it. Thank you.
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* We are not responsible for any custom duty or import tax.
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* We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.
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* Serious Buyer Only! Please place bid only if you agree with all the terms.
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* If you have any problems or concerns whatever with your order or products, please message us and give us a chance to assist you before you leave any feedback. We believe we can produce a positive outcome to any situation and will work hard to earn your praise.
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* And our Office is closed on Sunday and public holidays.
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* We apologize for the late reply during the holidays.