Universal Portable Metal Shell Speaker with 3.5mmBlack

I am an Chinese seller,providing customers with high-quality and low-cost products.
The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on.
We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans.
Sincerely at your service .Thank you for your shopping and have a nice day.Specifications:
It is fully compatible with any media device with 3.5mm audio jack(such as mobile phone, tablet, computer, MP3, CD player, laptop), just plug it directly to play music or video, audio.
This mini speaker is equipped with a 3.5W speaker that can amplify the sound of mobile phones, tablets, computers and other devices, maintaining high sound quality and clear bass.
It has a mini compact and lightweight portable design, which is easy to put in your pockets, briefcases and handbags, and can be used anytime, anywhere.
This mini portable speaker has a built-in 350mAh battery, which will not consume the power of the phone during playback.
After the battery is dead, it can be fully charged by the Micro USB port(included) for only 45 minutes.
No need to download any application or wait, just plug in the phone to use.

Item Name: Mini Speaker
Signal to Noise Ratio: More than 80dB
Output Power: 3W
Material: Plastic
Built-in Battery: 350mAh(Included)
Frequency: 50Hz-1800Hz
Working Time: about 5H
Features: 3.5mm Audio Interface, Clear Sound Quality, Mini Portable Design, Long Battery Life, Easy to Use
Size: 47mm x 47mm x 34mm/1.85" x 1.85" x 1.34" (Approx.)

Notes:
Due to the light and screen setting difference, the items color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x Mini Speaker
1 x Charging Cable
1 x User Manual