Specifications:

• Size: 20.5 X 11cm
• Bluetooth: 5.0
• Bluetooth Standby Time: 72H
• Transmission Distance: 10m
• Batter Capacity: 180mAh
• Battery Power: 0.55W
• Speaker Impedance: 32��
• Frequency Range: 2.4-2.4835GHz
• Charging Time: 2H
• Working Time: 7H(at Max Volume), 10H(at Medium Volume)

Features:

• 3D Contour Design, NO Pressure on Your Eyes: Designed based on ergonomics, Bluetooth sleep headphones have wider and deeper eye space than traditional eye masks, which will not cause your eyeballs and face are under pressure and will not rub the eyelids. the new 3D eye mask for sleeping perfectly solves the tightness of the silk eye mask. With adjustable strap won't tangle your hair.
• Perfect sound quality, Can play for 10 hours: 2-hour fast charging.The High-fidelity stereo sound of this Bluetooth sleep headphones mask produce great sound quality, provide a well-closed and immersed environment for your ears, 3D Sleep Headphones use Bluetooth technology to bring high-fidelity stereo with excellent sound quality. The extraordinary clarity provides you with a feast of excellent and comfortable sound.
• Improve sleep quality and block out light: The eye mask is designed with curved cartilage, which is adjustable and durable to effectively block the light from the nose.help you fall asleep quickly.The ergonomically designed Bluetooth sleep headset has wider and deeper eye space than the traditional sleep mask, will not cause pressure on the eyes and face, and will not rub the eyelids.
• Sleep headset and sleep mask are used at the same time: Bluetooth sleep headset can listen to music during sleep without wearing additional headphones to help you sleep better and protect you from external noise. Suitable for family, tourism, yoga, train. With the latest Bluetooth technology and high-definition sound quality, it can be easily paired with smartphones, computers and most other Bluetooth compatible devices.
• It is perfect for tech gifts: Sleep Mask Bluetooth Headphone are the coolest choice, unique gifts for men, women, teenagers, boys, girls, boyfriend, best friend, wife, husband, teachers, travelers, as a birthday.

Packing includes:

• A Set(1 X Sleep Mask + 1 X USB Cable)