European And American Outdoor Wireless Headset Knitted Hat Multifunctional Music Hat

Product information:
Category: knitted hat
Material: Other
Style: European and American
Weaving method: plain weave
Processing method: Other
Popular elements: bare body
Pattern: Monochrome
Hat top style: dome
Hat style: no eaves
Color: red, black and gray
Bluetooth parameter information:
Frequency range: 20-20KHZ
Sensitivity: 95DM
Transmission distance: 10M
Impedance: 32 ohm
Speaker size: 30MM
Charging time: 2H
Standby time: 24H
Listening and talking time: 10H
Battery: 180mA polymer lithium battery
Accessories: data cable + manual

Size Information:
Size: Free size unit:cm

Note:
1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2-3cm differences due to manual measurement.
2. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service.
3.As you know, the different computers display colors differently, the color of the actual item may vary slightly from the following images.