YPC21 Wireless Bluetooth PTT Button for Zello – IP67 Waterproof, Compatible with iOS and Android • One-Touch Communication: Wirelessly activate push-to-talk functionality with the Zello app. Designed for seamless integration with Zello software. • IP67 Waterproof Rating: Resistant to rain and dust—ideal for outdoor use on motorcycles, bicycles, and electric vehicles. • Low Power Consumption: Powered by a replaceable CR2032 battery with up to 200 days of operating time. • Wide Compatibility: Works with Android 4.0 and later, iOS 8.0 and later. Enables quick communication with individuals or groups without removing your phone. • Easy Installation: Lightweight and secure design—mounts easily on vehicles, helmets, or gear. Optimized for use with Bluetooth headsets. Specifications: • Battery: CR2032 button cell • Operating Time: Up to 200 days • Dimensions: 3.3 x 3.3 x 2 cm • Weight: 14.2 g • Waterproof Rating: IP67 • Bluetooth Range: Up to 30 meters • Compatible App: Zello • OS Support: Android 4.0+, iOS 8.0+ Package Includes: • 1 x Wireless PTT Button • 1 x Adjustable Strap • 1 x CR2032 Battery • 1 x English User Manual