Leadsound Wireless Speakers, Crystal Portable mini Speaker with 3.5mm Aux Audio Jack Plug in Clear Bass Micro USB Port Audio Dock for Smart Phone, for iPad, computer (Black)

Compatible for: For all smartphones Windows Phone pad MP3/MP4 Player ,Style & Material: With Ultra light and high-quality plastic silicon,Parameter: with 3W Output power, 27mm 8Ω Speaker Spec,20-20000hz Frequency,Long-lasting Embedded Rechargeable Battery: The built-in battery is rechargeable via USB,Plug Design: The integrated stowaway 3.Remark:There is a rubber ring on the plug, it is designed for universal devices and if use on the phone , please take off it with better connection.'