JK6-D4 Computerized direct drive lockstitch machine, with touch panel, auto thread trimmer(single blade), auto lifting foot, without voice navigation 1. Advanced USB port for charging cell phone, cooling fan, also can be used to upgrade software. 2.Enlarge the sewing range, suitable for various kinds of fabrics such as Jeans and Yern. 3.Operation panel is easy to understand, no need to afraid of parameters.