AmpliVox AIRVOX PA - Wired Mic Black. Perfect for voice and music in an indoor or outdoor environment. The wide dispersion speaker produces big sound and well-balanced audio suitable for any situation. Built-in Bluetooth module allows you to wirelessly stream sound from any Bluetooth capable device. The system includes an AC power-cord for continuous operation when connected to a standard AC wall-outlet and facilitates charging the included internal sealed lead acid (SLA) batteries. On a full charge the system will operate up to ten hours on its SLA batteries power. During emergencies the battery powered design sets up quickly and allows you to broadcast emergency information even during power outages. What's in the Box AirVox PA System Wired Handheld Dynamic Microphone AC Power Adapter / Charger with 6 foot power cord Specifications for AmpliVox AIRVOX PA - Wired Mic: Manufacturer: AmpliVox Color: Black Battery Type: Sealed Lead Acid Battery Features of AmpliVox AIRVOX PA - Wired Mic Power Output: 50 Watt Controls: Separate master volume; separate volume and tone control for auxiliary devices Auxiliary Input/Output: Two 1/8" Jacks for MP3 devices Microphone Inputs: One 1/4" / XLR combo jack for wired microphones Bluetooth : Bluetooth module built-in w/power/volume control red LED pairing status indicator remote pause track forward & back Batteries: Rechargeable SLA provide 10 hrs of operation USB Charger: 5V / 500MA Sound Dispersion: 90 horizontal x 45 vertical Frequency Response: 100 Hz12 kHz Sensitivity (SPL): 106 dB at 1 meter with 1 watt input Impedance: 8 Ohms Mounting Options: Built-in 1.5" (38 mm) diameter tripod mount Materials/Color: Black rotational molded weatherproof polyethylene Dimensions: Speaker Size: 6" x 8" Case size: 14" (355.6 mm) H x 12.5" (317.5 mm) W x 10" (254 mm) D Product Weight: 17lbs. Package Contents: AmpliVox AIRVOX PA - Wired Mic AirVox PA System Wired Handheld Dynamic Microphone AmpliVox S690: AIRVOX PA - Wired Mic Black