1.Version: V3.0 2.Talk time: Up to 3 hours 4.Stand-by time: Up to 120 hours 5.Mini bluetooth headset Product specifications:1.Version: V3.0 2.Bluetooth profile supported: Headset, Handsfree,3.Nominal charging time: Within 2 hours 4.Talk time: Up to 3 hours 5.Stand-by time: Up to 120 hours 6.Colour:red,green,grey,blue7.Works with V1.1/1.2/2.0 phones and PDAs 8.weight:15 gram Packaging Detail: 1. ...