1)ABS material 2)LED indicator light 3)Mini USB jack for charging 4)different colors optional 5)OEM welcomed for any brands

Description:

Size: L53xW53xH38mm  Max. Output Power: 2.4W Rated Power: 1.8WSpeaker: Φ36mm Frequency Response: 100Hz-20KHzDistortion: ≤0.5%Signal/Noise Ratio: ≥85dbBattery Voltage: 3.7VBattery Capacity: 200mAHBattery Input: DC 5V Battery Charge Voltage: 4.2V+/-0.05V Accessories: audio/USB cable, user's manual  

FAQ - Frequently Asked Questions

Does the Hamburger Mini Speaker always have to be connected to a USB port?No. You have to plug this device into a USB port to charge it. Once it is charged, it can be used without USB port. How long does it take to charge the speaker's battery fully?2.5 hours if you plug it into an AC adapter. 4 hours if you charge it through your computer's USB port. Once this speaker is fully charged, how long can it play music before it needs to charge again?Depending on the volume of the music you are playing, the battery can play for 4 to 6 hours without recharging. Can I charge and listen to music at the same time?Yes, you can charge the power and listen to music at the same time. How loud is the Hamburger Mini Speaker?The Hamburger Mini Speaker is definitely loud enough to provide sound for an entire small- to medium-sized room. Can I eat it when I'm done listening to my music?No, it is not edible. The "hamburger" in the name simply refers to the shape.

More different designs for choice: 

Mobile MP3 Mini Speaker