Headworn Bluetooth Earphone Stereo Folding Card

Product information:
Color: khaki, elegant black, dreamy purple, sapphire blue
Transmission range: 10 meters
Chip type: Jerry
Battery life: 4-8 hours
Function: waterproof, ultra-long life battery battery, call function, support music
Material: Plastic
Purpose: Head-mounted
Style: E-sports game

Packing list: 
A headphone and color box