OREI Portable Splash Proof Bluetooth 4.0 Speaker Wireless Double-coil Speakers with Microphone Rechargeable Battery up to 8 Hours Playtime, Outdoor Sport Design Shock-proof & Dust-proof Speaker - Pink Splash Proof Portable Bluetooth Speaker^Built-in Li-Ion Rechargeable Battery for up to 8 hours of playtime.^Powerful Output: 3W,^Very Compact and Lightweight only 8 ounces. Plays all Audio devices through 3.5mm Aux in Jack.^W 3.3" x H 3.3" x D 3.3"