Arrela Thunder II Bluetooth NFC WiFi AUX Smartphone Speaker MIC 360 Degree Surround Sound outdoor Touch Screen Wireless Portable HiFi 15w Output Speaker with Built-in Battery Great Sound QualityHigh-fidelity stereo music and clear speech, you can begin enjoying CD quality stereo sound instantly. Broad Compatibility: Easy Bluetooth connection works with all Bluetooth-enabled devices: smart phones, pads, laptops etc; NFC for easy and instant pairing; 3.5 mm audio jack for non-Bluetooth devices. Big sound for outdoor: Blast your favorite tunes and enjoy 360 degree surround sound with built-in 15 W loudspeaker. MIC Built-in: Built-in mic supports hands-free phone calls outstanding bluetooth connection range of up to at least 10 m for convenient wireless freedom.