Bluetooth Sleep Eye Masks Hands Free Wireless Headset - Grey

Description:
The mask is made of soft and comfortable material, can let you slowly enter the sleeping state with music, can also reduce the interference of external noise, provide a sleep environment quiet, whether it's work break or sleep at night

Features:
Version 5.0 Bluetooth technology to pair your phones or smart tablets
USB chargeable and fully charge for 2 hours to provide play time up to 9-10 hours
Block the lights to make you sleep better and allows you listen to the music without additional headphones.
Extra cushion makes the mask and nose touch bettere ?br> Comfortable, soft fabric and cotton
Detachable and washable
Compatible with device w/bluetooth and volume control.
Connect your phone and listen to music to relax while sleeping.
Comes with charging cable and manual

Specification:
Material: polyester, Cotton
SNR: 90dB
Operating distance: 10M
Bluetooth protocol: V5.0
Battery capacity: 200mAh lithium battery
Charging voltage: 3.7-4.2V
Charging current: 150-200mA
Frequency range: 20HZ-20KHZ
Charging time: 2hrs
Using time: 10hrs

Package Contents: 1pc/2pcs Bluetooth Sleep Eye Masks