Wireless Sleep Mask

Wireless sleep mask allows you to listen to your music without having to wear headphones
Perfect for travel, bedtime, the office, yoga, etc.
100% blackout 3D design with soft memory foam 
Pairs easily with smartphones and tablets
Built-in microphone for phone calls
Helps with insomnia, relaxation, meditation, and more
Built-in 150mAh high-performance battery charges 2 hrs and provides 8 hrs playing time
USB charger included
Material-Cotton
Color-Black
Dimensions-6.2 x 4.7 x 1.5 in