Wholesale fashion 5.0 Bluetooth Headband Wireless Sleep travel eye mask Headphone 3D eye mask
sleep travel music eye mask
Blue tooth version
Can Charge with Mobile phone, Stereo sound while taking on phone,Easy paring and power on while taking out
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How long does it stay charged? What happens when battery runs low?
It says 9-10hrs of play time. I don't know, only had it a couple of weeks and charge it after 2 or 3 nights use so it's always had power. I'd guess it'll keep working till the battery gets too low then it'll just turn itself off, that's what my other Bluetooth headphones do.
Is it hot to put on this eye mask in summer?
A:No, I found it to comfortable even in hot environments
Where is the On/Off button located?
keep press the middle button ,the red and blue light will flash, it means that it turn on,
if you want turn off the button , please also keep press the middle button until no light flash
How long of charging dose bluetooth headband keep?