The Bose Ultra Open-Ear True Wireless Bluetooth Open Earbuds are designed for studio monitoring, DJ use, and live monitoring. They feature a wireless Bluetooth connection with a built-in microphone for convenience. The earbuds have a unique ear-hook form factor and a rechargeable battery for extended use. The Bose Ultra model offers a double earpiece design, making it suitable for various listening applications.The product cannot be connected to the APP, if you can accept it, please purchase it yourself.