Wireless Bluetooth Speaker,Bluetooth 4.0 Hands Free Speaker &mdash; Lightweight, Portable Speaker for iPhone 6, Samsung Galaxy S7, iPad & More &mdash; Built-in Microphone for Calls &mdash; Crisp Audio, Deep Bass DEEP BASS, CRYSTAL CLEAR SOUND: Enjoy superior clarity with our powerful 10-watt speaker that gives you crisp, rich sound and powerful bass. BLUETOOTH 4.0 TECHNOLOGY: We used todays most advanced streaming technology to connect your favorite devices to our wireless speaker, which means you get clearer, uninterrupted sound and premium sound quality. HANDS-FREE CALLING: Our Bluetooth speaker features a built-in microphone for hands-free phone calls which makes it great for working around the house or playing outside and keeping your phone safely tucked away in your pocket. Works great with Skype or FaceTime calling! FASTER CHARGE, LONGER PLAYBACK: The ElecStars Bluetooth Speaker takes less than 3 hours to reach a full charge, but gives you up to 8 hours of smooth, powerful sound for music, phone calls, or even NPR news. PREMIUM DURABILITY & DESIGN: Our speaker is made from professional-grade materials and features a sleek, frosted-matte surface, making it both stylish and durable. It also features silicone pads on the bottom to keep it from slipping or sliding while in use.