Cobra Premium Bluetooth Headset with Both In-the-Ear and Ear Hook Options - Bluetooth Headset - Retail Packaging - Black Premium headset is Bluetooth version 2.0 equipped and guarantees rapid transmission of data between the Bluetooth device and cellular phone. Talk time of 7 hours and a standby time of up to 150 hours. This headset has been extensively tested to provide a high quality, properly functioning product. Headset is with its power down mode, even while charger is plugged in. Package includes USB charging cable, home charger, vehicle charger, extra ear cover, manual, and a 1-year warranty. Premium headset is Bluetooth version 2.0 equipped and guarantees rapid transmission of data between the Bluetooth device and cellular phone. Talk time of 7 hours and a standby time of up to 150 hours. This headset has been extensively tested to provide a high quality, properly functioning product. Headset is also with its power down mode, even while charger is plugged in. Package includes USB charging cable, home charger, vehicle charger, extra ear cover, manual, and a 1-year warranty.