Punkman Rechargeable Wireless Stereo Speaker, Powerful Sound with Enhanced Bass Resonator for All Phones and Tablets Computers MP3 Players Portable bluetooth speaker Powerful sound--with Balance mode Bass Subwoofer mode Movie mode 2 X 5W Dual horn for a dimensional sound listening experience Wireless and ultra-compact, Bluetooth 4.0 Technology, Easy pairing your device in 3 seconds Outstanding connection range of up to 20 Meters Stylish design and mini sound bar with instant atmosphere brings your music to life wherever you want it, so you can take Punkman sound anywhere Built-in built-in 2200mAh Li-Ion Rechargeable Battery for up to 8 hours of playtime Compatible with any device with Bluetooth function or 3.5mm line-out AUX