2018 Newest High Quality Portable Mini Pa Speaker Outdoor Waterproof Voice Amplifier Product Description Specification : Power Output 18W Sound coverage 2000 square meters Battery capacityBattery capacity 1200mA*2pcs Lead-acid battery 12V 4.5A Working time 6~10 hours (music play); 12~18 hours (MIC mode) Charging time 3-5 hours Product size 345*135*305mm It is not only a voice amplifier ,but also can use as a BT Speaker for music playing ,and can use as a power bank as well for charging your mobile Packaging & Shipping 1.Sample is available at any time; 2.For the order with our brand,20 working days after payment; 3.For the OEM order,25 working days after all the design is confirmed; 4.We support shipment by sea,by air,by door to door express; Standard package: 1 * main machine 1 * UHF wireless hand-held MIC 1 * 15V 2A adapter 1 * Remote control 1 * Belt 1 * 1M cable 1 * user manual Why us ? A. Rich experience in global market. B. Strong R&D team for OEM and ODM. C. Standard production process and quality control. D. Professional test equipment. E. Will reply you within 24 hours once we received your inquiry & got your contact information. F. Prompt reply and credible after-sale services. Company Information Covering an area of 3000 square meters, we now have over 200 workers. With more than 50 professional experts with higher academic title and 5 world leading production lines with 5S management, we have the production capacity of 20,000 sets per month. Strictly following the ISO9000 quality control system standard, every product in SHIDU has been carved carefully. SHIDU owns many technical patents with designing, researching & developing and producing every product independently. Along the way, we always remember the initial determination.