Newest generation of LogiLink headset with Bluetooth V2.0 technology. This 9 gramme lightweight guaranties easy and stable connection with Stand By function of about 70 hours and speech time of 4 hours because of the integrated Lithium Polymer rechargeable battery! The battery must be loaded over the delivered USB cable. The Earclip guaranties a tight stay. The headset is compatible with all conventional Bluetooth units and cell phones and supports Handsfree 1.5 and Headset 1.1.