Mirtek Portable Wireless BlueTooth Speaker With Built in Hands Free Speaker Phone for Ipod, Ipad, MP3, Laptop, and all Bluetooth devices Wireless Music Streaming via Bluetooth v3.0 Technology. Two 40mml total 6W acoustic drivers produce an Ultra powerful Clear Sound Built-in Li-Ion Rechargeable Battery for up to 10 hours of playtime. Ultra portable design at only 8.2 ounces. Plays all Audio devices through 3.5mm Aux in Jack. Built-in microphone for hands-free speaker phone calling Easy to pair - No code/pin needed.