1?��ONE BUTTON COMMUNICATION: Bluetooth PTT button for ZELLO works with the for Zello application. Support software for ZELLO. allows you to activate the one touch communication function wirelessly. 2?��IP67 WATERPROOF: Wireless PTT button is IP67 waterproof and rainproof, so you don't have to worry about rain damage when driving your motorcycle or bicycle outdoors. 3?��LOW POWER CONSUMPTION: For Bluetooth PTT button low power consumption, working time >200 days, using an easy to replace CR2032 battery can run up to 200 days or more (without battery). 4?��SUPPORTED OPERATING SYSTEMS: Wireless PTT button switch supports for Android 0, for iOS 8.0 and above. Specify to send individuals or teams. No need to take out your phone for operation. 5?��EASY TO INSTALL: For Zello wireless PTT button is easy to install and very safe for use on vehicles, motorcycles, bicycles, and electric vehicles. Usually used with Bluetooth headset.