Hook style stylish Bluetooth hands free headset is excellent to answer phone call. You can enjoy high-quality stereo sound streamed from your compatible phone. The ear design makes it comfortable to use. And it comes with a stand by time 150 hours and 4.5 hours talk time. It is a wonderful Bluetooth stereo headset for you. - Stylish style Bluetooth - Built-in 60mAh rechargeable battery - Bluetooth V2.0 wireless transmission (6~10 meter range max) - 110V~240V AC charger included (US Plug) - Talk time: 4.5 hours (manufacturer rated) - Stand by time: 150 hours (manufacturer rated)