increases with size

Comes with silver hanging string

From the manufacturer

5mm AUX or RCA Jack (Without Optical Audio Cable)

New in box! 3D Bluetooth Sleep Mask wit over 8 hours of play time! Great for Napping, Meditating & Sleeping! bed set increases with sizeNew in box! 3D Bluetooth Sleep Mask wit over 8 hours of play time! Great for Napping, Meditating & Sleeping! Based on ergonomics, our Bluetooth sleep headphones mask is perfect for your face. The contours of the eyes area are deeper and your eyes can move freely. No pressure to your eyes, the new 3D sleeping mask perfectly solves the tightness of the silk Sleep masks, bring you a comfortable and long lasting sleep. PLAY TIME OVER 8 HOURSWireless