Happy Hours - Stylish Cube Wireless Bluetooth Subwoofer Speaker Fits Home Travel Car / 400mAh Battery Built-in/Compatible with Apple iPhone Samsung Tablet Laptop Mp3 Support Hands-Free Calls (Black) 360 degree stereo surround,compatible with 4.0 wireless bluetooth device and also with TF card and DC5V port,give you a perfect musical experience; Mini and cute(72mm x 72mm) design is great for your travel and other outdoor activities, but also could be used at home to creat any atmosphere you want, no obstacles within 10m for you connect bluetooth; Futuristic appearance with soft flashing lighting carrying high-fidelity speaker is a good adornment for your office, desktop, night table or bedside; Built-in lithium battery,environmentally friendly and practical,long battery life, which could work 5 hours under the default volume; Audio input port: standard 3.5mm headphone interface, can be used for PC speakers, tablet, laptop and mobile audio and so on.