Portable Wireless Bluetooth Speaker, Infinilla 4.0 Enhanced Bass Stereo Speakers for Home and Outdoor, Built-in Microphone, FM Radio, 12 Hours Playtime (Blue) HIGH QUALITY CRYSTAL CLEAR SOUND: Bluetooth V4.0 chipset, powerful 45mm (3W) acoustic driver and enhanced passive bass resonator produce a full-range, abundant stereo sound and enhanced bass without distortion even at highest volume. EASY CONNECTION & VERSATILE INTERFACES: Connect in seconds to Bluetooth devices including iPhone, iPad, iPod, Samsung, Kindle, Smartphones, Tablets; play audio from laptops, PCs, and non-Bluetooth devices using included 3.5mm audio cable/AUX-IN jack; play audio from TF card and USB flash drive. It even has a built-in FM radio! LONG PLAYING TIME: Built-in 2000mAh Rechargeable Battery; 2 hours of charging gets you 12 hours of endless music! Perfect for home, dorm room, kitchen, bathroom, car, parties; streaming music or internet radio services such as Pandora and Spotify. WIRELESS FREEDOM: Built-in Mic for handsfree speakerphone calls from smartphones and iPhones; Bluetooth connection range of up to 33 feet for convenient wireless freedom in home or outdoor. COMPACT AND PORTABLE: Weighs only 7 ounces and 3.1 inches high; no square edges; anti-skid silicone bottom to add stability; comfortable to carry and great for travel & hiking, easy to fit in your backpack or baggage.