E25BT Bluetooth In-Ear Headphones Black. Delivering signature JBL sound with up to 8 hours of battery life and a convenient neck clip, E25BT in-ear wireless headphones provide a comfortable and secure fit over extended periods of use. You can also seamlessly switch from music on your portable device to a call from your phone, so that you never miss a call. You’ll also appreciate the added convenience of a three-button remote and microphone for crystal clear phone conversations. Available in five colors, you’re sure to find the right pair that suits your unique personality.