Bluetooth headset: BT control unit with microphone, PTT button, connection for detachable headphones, volume buttons and much more. The Icom VS-3 is a Bluetooth device for Icom radios, which are equipped with a Bluetooth interface. It consists of a small box with built-in microphone, battery and buttons. Any headphone is connected to this box (3.5mm stereo), a simple earphone is included. The built-in LiPo battery lasts several hours, enough for an extended hike. The buttons also allow it to be used as a BT headset for a phone, and you can also operate the music player. The VS-3 can be paired with up to 7 devices. The free choice of headphones gives you maximum flexibility to choose the product of your choice. Suitable for Icom A16E BT / IC-A25NE / IC-A25CE