USB Rechargeable Bluetooth 5.0 Fully Shaded Sleeping Eye Mask Hands Free Wireless Call Microphone Music Headset Style 1 Color:Black Hanging buckle design for easy

Hanging buckle design for easy adjustment

- Designed with 180° swiveled head to make a complete contact to the glass

Middle finger length 8cm

Work conditions: outdoor

USB Rechargeable Bluetooth 5.0 Fully Shaded Sleeping Eye Mask Hands Free Wireless Call Microphone Music Headset Style 1 Color:Black Hanging buckle design for easyDescription: 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 5 10 hours Block the lights to make you sleep better