Sleep Mask With Ultra Thin Speakers
The Sleep Mask With Ultra Thin Speakers comes in one color and one size to choose from.
Specifications
Bt Version:V5.0
Frequency:2.402 Ghz-2.480Ghz
Transmission Range:20M/66FT
Rated Power:RMS 10mW×2
Speaker Unit:32Q/20mm
Battery:3.7v 180mAh Rechargeable Li-polymer Battery
Charge Time:2 Hours
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