Description Have fun wherever you are with our Simport PromoStar Wireless Speaker! This sleek and fun speaker is a great desk top and mobile audio companion for anyone from students to executives. The item has a large cylindrical logo area so that your design is in full view while in use. We have added the highest sound quality with impressive bass so you can really feel your music! This unit also includes a microphone for taking hands-free calls and can also play music via a TF card slot or microphone in connection in addition to the Bluetooth connection. Specification Material: ABS Aluminum alloy Power output: 3.7-4.2V 200mA Power input: DC 4.8-5.5V Built-in 400mAh Polymer battery, rechargeable Working distance: 15-20m Signal-to-noise ratio: >75db Frequency: 2.402 -2.480GHz Playing time: 5-6 hours Packaging QTY: 64pcs/carton Weight: 11KG/carton, 24.3lbs/ carton Packaging size: 31*30*28CM/ 12.2"x11.8"x11.0" 65 Calendar day in hand delivery to the west coastal destination of CA, OR, WA, NV, AZ, UT, ID, MT, WY, CO, NM, TX, OK, KS, NE, SD, ND, AR, and LA. 70 Calendar day in hand delivery to MS, AL, GA, FL, SC, TN, NC, MO, KY, VA, IA, IL, IN, OH, WV, OH, PN, MI, WI, IA, and MN. 75 Calendar day in hand delivery to ME, VT, NH, NY, MA, RI, CT, NJ, DE, DC, and MD. Also we offer rush service of 30 days for volume 10,000 below with extra charge Payment term: 50% down, 50% upon shipping