MANIFEST Portable Wireless Bluetooth Speaker with Built in Speakerphone, 10 Hour Rechargeable Battery (Black) Wireless portable speaker connects with mobile phones, music player/iPods, tablets, laptops, or any other Bluetooth device. Stream your favorite music, videos, movies, podcasts, apps, games, and conference calls anywhere! New Bluetooth v3.0 technology allows you to connect wirelessly up to 33 feet away. Premium sound with enhanced bass technology. Two powerful 40mm acoustic drivers will produce crisp, clean sound with a deep bass. Rechargeable battery gives you up to 10 hours of playtime using Bluetooth, or 12 hours using the audio line-in jack. Built-in microphone allows for hands-free phone calling through the speaker. Easy to pair and functions with Apple SIRI. Volume and play controls are conveniently located on top of the speaker.