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speakerFunction Description: New aluminun diaphragm micro-speaker with clear terble and pure bass. Acoustic design makes good sound quality.New integrated design can play music of micro SD card directly. It also can be used as external audio to connect with your MP3, MP4, CD, DVD, Ipod, iphone, GPS, PSP, celephone and notebook. Built-in high-energy battery and a variety of power supply such as computer usb and adapter DC-5V let you share music anywhere and anytime.This speaker integrated FM Radio,Parameters:out put:rms6w(3w+3w)THD=10%frequency response:150-18000HZ(±3db)signal and noise ratio of power amplifier.≥80dbloud speaker:1.77inch(external diameter 45mm)magnetic resistant 4 ohmsline in:configure3.5mm stereo's plugspower supply:5V/1000mA,ACpower adapter.usbpower rotate connect line(can choose)Package size: PaymentWe accept West Union, and TT. Payment must be completed within 3 days after you place an order. If you can't checkout immediately after auction close, please wait for a few minutes and retry. Shipping InformationWe guarantee to ship out within five to seven days after the confirmation of your payment. (Except Holiday). In order to ensure you receive your order tax free upon import, we will declare small sample order as a 'GIFT' with a lower value. This lower price does not reflect the total price you paid or the market value of the product. And it may not apply to countries with different tariff rules. Any import charges or fees are the buyer's responsibility. Delivery time is approximately7 to 15 working days (excluding Saturday & Sunday, Public Holiday) to most destinations. We are not responsible for any accidents, delays or other issue aroused by the shipping service. For item's safety, insurance is highly recommended. Please contact us if you don't receive your goods over above 4 weeks, we will solve this problem in a very short time. Please confirm your address before you bid and make sure the shipping address is correct. We are not responsible for any wrong or undeliverable addresses. FeedbackWe depend on the reputation from Alibaba and Global Sources to succeed. Therefore, your feedback is extremely important to us. If you appreciate our items and service, please show your opinion. We will be grateful to what you do. Please contact us before leaving any negative feedback. We will work with you to solve any problems.ReturnWe provide 1 year warranty. If the item is defective, please notify us within 3 days of delivery. All items must be returned in their original condition, in order to qualify a refund or a replacement. Shipping fee and insurance is not refundable. Items returned after 7 days of delivery are only eligible for repair. We share the shipping costs incurred half to half. ContactAll emails will be answered within 24 hours. If you do not receive our reply, please kindly re-send for sometimes our mail servers have errors.