Upgraded bluetooth sleeping eye mask features in latest Bluetooth V5.0 technology, simply sync to any bluetooth device in seconds, hands-free connectivity including decline/accept phone calls and listen to music wirelessly up to 20 meters. With gel pack can be used as cold eye mask or warm eye mask. 2 Pieces can be used separately or together, perfect for puffy eyes & dark circles. One size eye sleep cover fit most heads, perfect for both men and women! More Features: Color: Gray 1.Support bluetooth communication and bluetooth music 2.Updated 3D eye mask-perfect for side sleepers! 3.Update battery & USB charging port-last whole night playing! 4.Adjutable sizes-fit for various heads! 5.Gel eye mask-hand-crafted gel insert promote eyes blood circulation and relieve eye muscle fatigue; Perfect for puffy eyes & dark circles. 6.Extremely soft and smooth material 7.Ultra-thin headphones Specification: Material: velvet, cotton Size: One size fit all heads Bluetooth Version: 5.0 Frequency: 2.402Ghz - 2.480Ghz Speaker Unit: 32O / 10mm Transmission Distance: 20m/66ft Headphone Battery: 3.7 V 150 mAh Li-polymer battery Play Time: Up to 13 hours(Continuous Working) Standby Time: Up to 350 hours Charging Time: 2 hours Package Includes: 1 x Wireless Musical Eye Mask 1 x Gel Sleep Mask 1 x USB Charging Cable 1 x User Manual Warm Tips: Before you start using the eye mask, kindly please use attached USB cable to charge it first. Wash the Musical eye mask after removing the headphones from the pouches. Hand wash only.

Rechargeable & Washable: Built-in 150mAh long lasting rechargeable batteries, 2 hours charging time provides up to 13 hours of highest volume music playing, 14 hours talking, 350 hours standby time. Conveniently placed charging port is in the eye mask- USB charging cable included. The headphones are removable, convenient for hand wash. Great Gift: Made from velvet and stretch cotton, super soft and comfortable. Adjustable elastic bands and velcro, one size eye cover fit most heads, perfect for both men and women. Great holiday gift or birthday present for family and friends!. Easy to Use: Bluetooth V5.0 + EDR version, easy and fast to pair with most smartphones, tablets and other Bluetooth enabled music devices in seconds, with 3-prompt buttons and an LED indicator light. Go pass the basic controls of pausing/playing music and be able to answer calls, skip songs, and control the volume. Cool / Warm Therapy: Bluetooth sleeping eye mask headphones with gel pack which can be used as cooling eye mask or warm eye mask after placing in the refrigerator for 10-15 minutes or hot water for 5 minutes. It can help relase eye fatigue, blepharitis, puffy eyes and dark circles. Good choice for students, workers who have over used eyes. 100% Blindfold of Complete Blackout: The wireless sleep mask made from breathable velvet, pure cotton filled into. Super lightweight, ultra soft and comfortable. The unique nose pad design of the sleep eye mask can block lights coming from the nose area effectively, creating total darkness for light sleeper. The eye mask is the best helper let you get a good sleep and it is perfect for travel, naps, yoga or meditation.

Best Sellers Rank: See Top 100 in Health & Household. Material Feature: Natural. Age Range (Description): Adult. Material: Cotton. Color: Gray. Brand: Number-One. : B07YJTNM27. Manufacturer: Number-one. Date First Available: September 29, 2019. Product Dimensions: 1.97 x 5.91 x 1.18 inches; 5.64 Ounces.