These SGS-88 Bluetooth Earphones Earbuds Headphones are designed with a neckband for comfortable wearing. With the ability to switch songs, these headphones are perfect for those who enjoy listening to music on-the-go. The battery capacity and compatible devices are not specified, but these earphones are Bluetooth-enabled for easy connectivity. Ideal for use while watching TV, gaming, or simply enjoying your favorite tunes, these headphones are a great addition to any audio setup.