OREI Mini Boom II Enhanced Bass Bluetooth 4.0 Wireless Speaker, Powerful Sound, Built in Mic, Touch Panel & Compact Size Hi-Def. Sound. Portable Bluetooth Speaker 4.0, Powerful Output: 6W, Built-in Li-Ion Rechargeable Battery for up to 8 hours of playtime. CSR Chipset Range Up to 20 Meters. Built-in microphone for hands-free speaker phone calling Very Easy Pairing Very Compact and Lightweight only 10.1 ounces. Plays all Audio devices through 3.5mm Aux in Jack. Bright Finish Touch Key Control