Sleek, subtle, and perfect for sleep meditation! This headband is the most comfortable on the market, and can change the way you sleep and learn.

DESCRIPTION:

Transmission range :10 meters.

Features: Call function, support music.

Bluetooth protocol :5.0.

Track: Stereo.

Usage: Headwear.

Mono - aural or not: Bilateral stereo.

Applicable occasion of giving gifts: birthday, trade fair, advertising promotion,

employee welfare, anniversary celebration, business gift, award

commemoration, public relations planning.

Color: black, light gray, dark gray.