RUGGED, PORTABLE & COMPACT PA AMPLIFIER SPEAKER SYSTEM: It is designed with multi-functions for full range stereo sound reproduction. 10" Portable powerful speaker with Bluetooth, USB, AUX, TF/USB input, FM radio. Support connection with the NFC-enabled smartphone with a single tap. LONG LASTING BATTERY: Built-in rechargeable high-capacity lead-acid battery provides non-stop music up to 50 hours. It lasts 20% longer than the other Bluetooth loudspeakers. Perfect for personal or commercial indoor/outdoor use. Besides, with the USB port, you can use it as a power bank to recharge your smartphone, tablet and more in an emergency. HIGH-QUALITY POWERFUL SOUND: It's loud and clear enough to play in the open air and does not distort the audio even at higher volume. The PA speaker comes with wireless microphones, luggage handle and rolling wheels, which is perfect for family karaoke activities, conferences, classes, outdoor parties, etc. Enjoy your favorite music everywhere as you like. PLAY VIA BLUETOOTH/USB/AUX/TF CARD: The M60 loudspeaker is equipped with Bluetooth capability that can pair to your tablet, phone, or other devices while features a 3.5mm jack to connect a tablet, PC or other non-Bluetooth devices. It also supports TF card and USB connectivity. REMOTE CONTROL & 2 WIRELESS MICROPHONES: The M60 PA speaker system with dual handheld wireless mics which can be used for speeches or karaoke. With the included wireless remote controller, you can adjust any function of the loudspeaker. EARISE provides a 1.5-year warranty and 60 days no-reason return of the product.