Outdoor BT speaker with (2) 5 1/4 inch woofers. Clear sound and heavy bass for a dynamic sound effect. Wirelessly stream music from any BT-enabled device such as your mobile phone, notebook, iPhone or iPad. Secure simple BT pairing for user-friendly operation. BT Operating range: 10 meters. Play audio files in MP3 format from USB or SD slot (up to 32G). FM radio. Record your favorite FM radio station or other AUX sound source to enjoy again and again. EQ function control. Dual microphone input jacks. LED display shows digital number & working status. 3.5mm auxiliary input for non-BT enabled devices. Built-in rechargeable battery for consecutive playback of up to 5 hours. Multi-function remote control. Handle & shoulder strap for easy carrying. Frequency Range: 100HZ - 20KHZ. Output Power: 20W x 2. Battery: 11.1V 1800mAh. S/N Ratio: 80db. 12V Adapter. Audio Cable. .3m Wired Microphone.