Jabra BT2040 V2.0 Bluetooth Headset The Jabra BT2040 V2.0 Bluetooth Headset is a great way to try a Bluetooth 2.0 headset for a minimal price. Just keep some AAA batteries on hand and you will never have to worry about charging the Jabra BT2040, which offers up to 8 hours of talk time and automatic sleep mode to save power. Weighing in at 16 grams, the Jabra BT2040s auto pairing makes for a quick and easy set up while the Discreet Light feature wont continually flash while in use. The new Jabra BT2040 is also one of the most affordable headset in the Bluetooth category. And if you've never had a headset before, you will find its also one of the easiest to operate! Best of all, Jabra provides superb quality, comfort, and functionality, all in a single attractive design.