Wagan EL2566 Bluetooth Cell Phone Headset Designed to allow the focus on the work or drive hands free while conversing Worn on left or right ear and is easy to use Features bluetooth version 20 + EDR class 2 and is stylish Consists of a compact design and operates at a range of 33 feet Allows a standby time of 150-180 hours as well as talk time 4-5 hours