Made in the USA, the Convergent Hunting Bullet HP Bluetooth Game Call is designed to be very rugged, plenty loud, exceptionally clear, and easy to use with the Convergent Hunting Solutions Companion Mobile Applications. Simply pair the Bullet HP with any Convergent Hunting Solutions mobile app running on your Android or Apple iOS device. The call has a working range of over 300 ft. via Bluetooth and a powerful 10W audio amplifier. It uses internal rechargeable lithium ion batteries for up to 10 hours of continuous run time. It has a built-in decoy controllable by the app and ground spike with internal storage. The decoy features dual directional, erratic movement that has proven very effective in triggering responses from even the most suspicious predators. No cell service is required to operate.