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Product Description
Mobile Power bank Speaker 4000mAh Power Bank Mini Portable Speakers External battery charger for iPhone 5s Samsung s4 s5 HTC
Speaker Specifications:
Power: 2W (1KHz,THD10%)
Frequency response :200-20000Hz
Frequency: 200Hz——20KHz
Signal&noise ratio: ≥80dB
Sensitivity: 90db±3
Impedance 4 OHM(Ω)
Output: DC 5V-800MA
Input: DC 5V-1000MA
Power indicator: LED
Speaker Unit: 27mm
Case Material: ABS
Color: White/Black/Red/ Green/Blue/Orange
What's in box:
1. USB Input/output data cable( Micro)
2. The 3.5 mm audio line
3.power bank
4.box
Color :white black rose green blue orange
please let us know what colors you need ,thanks









Shipping● We Ship your orders within 2 business days after the payment cleared as we have almost all items instock.
● EMS:Item shipped from EMS, reach most of the countries within 6 to 8 days.
● DHL:Item shipped from DHL, reach most of the countries within 4 to 7 days.
● For DHL shipping, we can provide the valid tracking number the next day your orderis shipped.
| Carrier name | Estimated Time in Transit from China to USA | Tracking Service |
![]() | 5 - 10 days | www.ems.com.cn |
![]() | 3 - 6 days | www.dhl.com |
About QualityWe are professional supplier on Dhgate for Electronic Publishing and other electronice products, every single item you buy from Greewill has been tested when we get it from the factory and before shipping , after several times of testing , so we can guarantee the quality. We are direct factory local at suburb Shenzhen, which has the biggest electronic market in China, therefore we can prodive competitve price and very best serive in all aspects. This is your best opportunity to directly access to the China electonic manufacture.
Service● We are willing to re ship you the items once the order would be taken away by your country's custom, only need you offer new address and contact information.
● Time in transit: Transit time varies with different shipping methods.
● Business days: from Sunday to Friday
Refund
When you received the item, please check the quality and quantity in time. You should pay the additional shipping fees incurred and ensure the item will be returned in good condition with original packing. Feedback the reason where it gets wrong to us. If you have any problem with the received item, please, contact us before you send the item back. We will send new replacement or refund once the item is received.
FeedbackFeedback will be left in a timely manner after feedback has been received. Should there be any problems with your purchase, please do not leave neutral or negative feedback before contacting us for resolution. We strive to make every transaction a positive experience and will do
Shipping● We Ship your orders within 2 business days after the payment cleared as we have almost all items instock.
● EMS:Item shipped from EMS, reach most of the countries within 6 to 8 days.
● DHL:Item shipped from DHL, reach most of the countries within 4 to 7 days.
● For DHL shipping, we can provide the valid tracking number the next day your orderis shipped.
| Carrier name | Estimated Time in Transit from China to USA | Tracking Service |
![]() | 5 - 10 days | www.ems.com.cn |
![]() | 3 - 6 days | www.dhl.com |
About QualityWe are professional supplier on Dhgate for Electronic Publishing and other electronice products, every single item you buy from Greewill has been tested when we get it from the factory and before shipping , after several times of testing , so we can guarantee the quality. We are direct factory local at suburb Shenzhen, which has the biggest electronic market in China, therefore we can prodive competitve price and very best serive in all aspects. This is your best opportunity to directly access to the China electonic manufacture.
Service● We are willing to re ship you the items once the order would be taken away by your country's custom, only need you offer new address and contact information.
● Time in transit: Transit time varies with different shipping methods.
● Business days: from Sunday to Friday
Refund
When you received the item, please check the quality and quantity in time. You should pay the additional shipping fees incurred and ensure the item will be returned in good condition with original packing. Feedback the reason where it gets wrong to us. If you have any problem with the received item, please, contact us before you send the item back. We will send new replacement or refund once the item is received.
FeedbackFeedback will be left in a timely manner after feedback has been received. Should there be any problems with your purchase, please do not leave neutral or negative feedback before contacting