EM4 Bluetooth 5.2 Eye Mask Wireless Headphone Eye Protection for Sleep Office Lunch Break(Black)

1. 3D ergonomic design, fit the face, block light, let you fall asleep quickly
2. Built-in HIFI speaker and MIC, enjoy music and make hands-free calls easily
3. Super soft velvet, plenty of room for the nose, no pressure around the eyes
4. Adjustable magic sticker, suitable for any head size
5. Applicable products: mobile phones, tablet computers, laptops and desktop computers with bluetooth function (computers without bluetooth function need to be used with a bluetooth adapter

Parameter:
1. Bluetooth version: V5.2
2. Communication distance: 10 meters
3. Music time: 10-12 hours
4. Headphone battery capacity: 200mAh
5. Battery life: 200 hours
6. Functions: music play/pause, song cut, call, noise reduction

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