TEMEISHENG TMS-818 New 80W big wireless bluetooth portable trolley hifi party box speaker With independent volume control of bass , treble, main volume, Mic volume, Echo Adopt V5.0 bluetooth technology Support U dist slot and tf card Double woofer design for more powerful sound Built-in rechargeable battery Powerful bass-surging sound Clever acoustic structure design makes sound more clear effective reducton of real voice, bring you more perfect auditory feast Output RMS Power 40+40W Speaker Size 8" +8" woofer+ 2" tweeter Battery Size Lithium battery:12V/5500mAh Audio Inputs Bluetooth, FM,USB, tf Card, AUX & MIC input Volume Controls Music volume, BASS, TRBLE, microphone volume, echo Special functions Mic priority, recording Cabinet Material plastic Color black Company Introduction GUANGZHOU TEMEISHENG ELECTRIC CO., LTD. is a high-tech enterprise that specializes in design, manufacture and marketing of audio systems. Established in 1999, TEMEISHENG has now become one of the largest suppliers in China for active portable battery speakers, earning an annual revenue of over 200 million USD globally. . After 20 years of development, now we have 7 factories and over 1000 employees under our group, manufacturing different types of audio systems. Our product portfolio includes portable outdoor speakers, mini Bluetooth speakers, microphones, Karaoke systems, public address systems and pro-audio systems. "Innovation", "excellent quality" and "customer satisfaction" are our business philosophy. We have an industry leading design team that is able to bring us unique and perfect works. The standardized production management system and the complete industry chain system have contributed to the excellent quality of TEMEISHENG products. Our factory has passed IS09001 quality management system certificate and our products comply with the international standards such as CE, CB, FCC, CCC, etc. You are warmly welcome to visit our factories in Guangzhou. We sincerely hope to set up a long-term business relationship with you. FAQ How long is the lead time? Generally 4 weeks. If any urgent orders for projects, we will do our best to expedite the process and deliver faster, But for OEM orders, lead time would be little longer on the first order since we need more time to communicate the requirements and confirm artworks.... What's your payment term? Our policy is at least 30% deposit before production, and 70% paid before shipment date. Certainly, L/C is also acceptable. How do you pack my goods to ensure intactness in the course of transportation? We always take care of our products and pack them properly. For example, we use strong cardbox (export carton) stuffing with enough foam/ bubble and inner boxes for air shipment or express, and optional pallet packing could be used for LCL sea shipment for better protection. What's your delivery term? We quote and deliver on the term of FOB Huangpu (except EXW term for small orders. Of course, CIF, C&F or even door to door is acceptable, so we will check and quote the shipping cost additionally. How about the warranty and after-sales service? Our warranty is 2 years, but considering the long transit time to oversea customers, we offer two and half year warranty from the production date on serial numbers on. For any failure (no-human included), we shall provide you free spare parts and instruction for repair. What's your advantage over competitors? A very good questions: Our advantage is more than 10 years expertise and experience in the commercial audio industry, we are good at listening to my customers, getting to know their need and proposing right solution with reliable products. With support from specialized R&D and pr