We are KTouch technology co.,ltd based in Shenzhen, China. We are member of TradeKey.com since July, 2013. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in mini speaker powerbank. Please find our product details below: Sell power bank KT-03 Product name: KT-03 Lip gloss power bank Material: Plastic 18650 electric core Dimension&Weight:89.0mm(L)*43.0mm(W)*23.0mm(H)ï¼›N.W.=123.0g Color: black/blue/pink/green/orange/purple/white Capacity Sell bluetooth speaker KT-71A Material:Plastic Dimension: 7.3*5.2*6.4cm Color:Red, Green, White Battery: Back-up battery Technical Parameters:System :4 ohm 3w Li-hi battery 3.7 v 500 MA Frequency Response : 80 Hz - 18kHZ Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.