Call in predators using sounds stored on your phone. Convergents Hunting Bullet HP Bluetooth Game Call is rugged, loud, clear and easy to use in conjunction with Hunting Solutions Mobile Apps. Has a working range of up to 300 ft. 10 times the distance of standard Bluetooth. Compatible with Convergent Hunting Solutions apps that download easily, contain calls that predators cant resist and are compatible with Apple and Android smart phones. Integrated internal lithium-ion battery lasts 10 hours fully charged. Battery is rechargeable so there is no need to ever purchase batteries. Has a built-in decoy controllable via the app. Decoy features dual directional, erratic movement that predators cant resist. Can also play music. Integrated ground spike. No cell service is required after the app or apps have been downloaded. Color: Clear. Type: Game Calls.