QBD-009 is one money small and exquisite light , the only new Bluetooth Headset of layer 23g . Its appearance looks likely very the fashion , and the fuselage uses soft nature Gao Dan's material , can the application ear ministry outline , and secure ground is behind the ear . The earplug has used eraser material nature , and user puts on feeling comfortable unusually by the ornament . Moreover QBD-009 provides 2 kinds of selections standard earplugs and small earplug , but and left and right sides ear all ornament puts on , and suits body needs of various personages , and particularly is fit for the clan driven a car , fashion clan and commercial affairs personages' use . It is the subject of a talk that all users all are concerned about that the battery uses time . What QBD-009 used is the lithium polymer battery , offspring once is charged , can use the family to communicate by telephone the time reaches 8 hours , but waits for opportunity that the time reaches 240 hours .