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Sleep Headphones 3D Bluetooth 5.0 Headband Wireless Sleeping Artifact Breathable Music Eye Mask Earbuds for Side Sleeper Gifts
£20.88£27.87
color : 01 3d black
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About this item
Sourced from WEIMAI
Seller assumes all responsibility for this listing.Item number: 27855299
Item specifics
Item description from the seller
Model: 3D eye mask
Bluetooth protocol: V5.0
Frequency range: 20HZ-20KHZ
Charging voltage: 3.7V-4.2V
Sensitivity: 88DM
Signal to noise ratio: 90db
Speaker impedance: 32- 15%
Speaker specifications: φ30mm
Operating range: 10m
Charging time: 2H
Use time: 10H (50% volume)
Battery capacity: 200mAh lithium battery
Bluetooth search name: BT-01
Material: memory foam
Product size: 28*14cm
Retail box size: 140mm*118mm*46mm
4.4 out of 5 based on 7,646 reviews