AmpliVox Premium Mega Hailer Bundle w/ Headset and Lapel Microphone Black. Totally wireless highly intelligible lightweight rechargeable battery powered loudspeaker system for general PA applications in areas that are not equipped with a PA.The horizontally aligned horn broadcasts crystal clear voice announcements and reinforces sound to make it louder to audiences over large wide areas. 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 Mega Hailer PA System S1284 Mega Hailer Companion Speaker Wireless Headset and Lapel Microphone (2) S1085 Tripods and Tripod Case S1960 Universal Carrying Case Detachable Carrying Strap AC Power Adapter / Charger with 6 foot power cord Specifications for AmpliVox Premium Mega Hailer Bundle: Manufacturer: AmpliVox Included Accessories: S1960 Universal Carrying Case S1284 Mega Hailer Companion Speaker Mega Hailer PA System Detachable Carrying Strap 2 S1085 Tripods and Tripod Case Color: Black Battery Type: Sealed Lead Acid Battery Features of AmpliVox Premium Mega Hailer Bundle 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 / 1A Sound Dispersion: 90 horizontal x 45 vertical Frequency Response: 200 Hz15 kHz Sensitivity (SPL): 124 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: Horn size: 6" (152.4 mm) H x 10" (254 mm) W Case size: 14" (355.6 mm) H x 12.5" (317.5 mm) W x 10" (254 mm) D Package Contents: AmpliVox Premium Mega Hailer Bundle Mega Hailer PA System S1284 Mega Hailer Companion Speaker Wireless Headset and Lapel Microphone (2) S1085 Tripods and Tripod Case S1960 Universal Carrying Case Detachable Carrying Strap AmpliVox SW6823: Premium Mega Hailer Bundle w/ Headset and Lapel Microphone Black