<ul><li>power on off button, volume up and down button• P9 Wireless Bluetooth Headphones with built-in microphone.• Convenient power on/off and volume control buttons.• Wireless connectivity for hassle-free listening.• Built-in microphone for hands-free calls.• Wireless connectivity for freedom of movement.• Easy access to power and volume controls.• Over-the-ear design for comfortable extended wear.Connect to both android and IOS</li></ul>