Features : -> Dog Whistle with frequency range 0 - 40000 Hz. -> Dog Clicker with multiple sounds. -> Dog Trainer with best dog training methods. -> Clicker Training to train your dog using the Clicker. -> Whistle Training to train your dog using the Whistle. -> iMessage Stickers - Exquisite range of Dog Stickers. -> Animal Sounds - Sound effects of various animals to train your dog better.