1. High quality crystal clear sound: Our two precision acoustic drivers provide clear mids and highs, and enhanced bass with our proprietary passive bass radiator design. Portable speakerphone with built-in 2 x 1.6" dual drivers for crystal clear sound and powerful bass without distortion, even at the highest volume levels 2. More volume and more bass: this compact speaker delivers up to 30% more volume and richer bass than the competition. Crystal clear deep bass 3W + 3W HD loud speaker for outdoor and indoor use: room-filling sound, perfect for homes, bedrooms, kitchens, bathrooms, cars, parties; streaming music or internet radio services such as Pandora and Spotify 3. Ultra-portable: less than 12 ounces, portable Bluetooth speaker size: 7x2.5x1.7 inches. High-capacity rechargeable 1800 mAh Li-ion battery for up to 6 hours of playback at 2/3 volume on a full charge Supports TF card/U-disk to read and store music files, you can carry a multi-media library. Built-in FM radio. So it is more suitable for travel and hiking, super light and easy to fit in your backpack, luggage 4. Bluetooth 4.0 technology: connects via Bluetooth in seconds to: iPhone, iPad, iPod, Mac, smartphones, tablets, Windows 7,8,10 - To play from Chromebooks, TVs and non-Bluetooth devices, connect to the AUX-IN jack using the included 3.5 mm audio cable - Built-in microphone , for hands-free calls from smartphones and iPhones. Play from any Bluetooth enabled device up to 30ft (10m) 5. What you get: Aigoss S1 portable Bluetooth speaker, 1 x USB cable, 1 x 3.5 mm audio cable, 1 x user manual - Bluetooth speaker portable outdoor wireless speaker (blue)"