Overview Product Description BLU-PTT+ ( 2nd Gen Bluetooth Push-To-Talk Button) Please confirm PTT application compatibility with the reference chart below. Gen2. More rugged, better attachment methods. Removable Velcro strap. Includes 3M double-sided tape for mounting. Turns your smart device into a Walkie-Talkie (when paired with one of the below Applications). Simply pair, press, and talk! FCC ID: U7GBPTT BLE: (Low Energy) Bluetooth Version: 4.0 User Guide Compatible with BOTH iOS and ANDROID. Currently certified ONLY with the following PTT apps: Product Videos Custom Field Product Reviews