2019 Newest 3d Eye Mask Sleeping Eye Mask Headphone

Product Describtion 2019 Newest Promotional Wireless Smart Music Phone Breathable Custom Bluetooth Cotton 3d sleeping eye mask headphoneItem name sleep travel music eye maskBlue tooth version   5.0charging time2 hoursPlay time10 hoursmaterialcotton.cloth,velvetsize190*120*35mmFeaturesCan Charge with Mobile phone, Stereo sound while taking on phone,Easy paring and power on while taking outDetails ImageCetification Why Choose UsFAQQ:How long does it stay charged? What happens when battery runs low?A: 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.Q: Is it hot to put on this eye mask in summer?A:No, I found it to comfortable even in hot environments Q:Where is the On/Off button located?A: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 Q:How long of charging dose bluetooth headband keep?A:  2 hrs charge gives approx. 10 hrs listening time.Q:Can i mix order? Delivery time?A:yes,you can. 5-7 day