Bullet Points:
【Create Interesting Sound】Our Bird Whistle is also known as Prairie Whistles, Bird Branches, or Double-throated Whistles. It can raise your voice an octave and allow you to create interesting sound effects.
【Handy to Use】Our Bird Whistle Mouth is easy to use and you just need to attach it to the tongue, with the crescent of the film facing outward. Let the whistle get soaked in your mouth. Once moist and soft, use your tongue to push into the palate.
【Imitate Different Bird Sounds】Our Bird Call Whistle can "mimic birds". With a little practice, you'll be able to control the bird. Make countless different bird sounds with these amazing little whistles.
【Creative Gift】Characterized as simple to use, our Wacky Whistles can be creative gifts for your friends and they can bring a lot of fun to your daily life.
【Widely Use】Our Bird Whistle Mouth can not only be simply used for daily whistling, but it is also perfect for events and activities, enhancing the atmosphere of any event.
Description:
The Bird Whistle is magical, it goes on your mouth, raises your voice an octave, and lets you make awesome sound effects. Attach it to the tongue, with the crescent of the film facing outward. Let the whistle get soaked in your mouth. Once moist and soft, use your tongue to push into the palate.

Specification:
Product name: bird whistle
Weight: about 5g
Box size: about 2.8*2*0.9cm / 0.09*0.06*0.03 in
Material: paper
Note: Two styles and colors will be shipped randomly

Packing list:
Bird whistle*1

Note:
1. Due to the lighting effects and  angles, there is a color difference in the product, please understand.
2. Due to manual measurement, there is a tolerance in the product size.