All products in HIGHEVER Store enjoy a lifetime warranty，Please note that any artificial damage and natural damage（e.g. you run with a headband on a rainy day, causing water to enter the earphones） will not be covered under warranty.
Currently, all HIGHEVER products are sold on Amazon、Walmart, and our official Website.
Once we receive and reply to your exchange email, we will re-deliver it within 3 days, and the new package will arrive in about 7 days. The arrival time may be extended during the special period of the Covid-19.
no，they aren't. All Bluetooth products in HIGHEVER store have FCC certification，this proves that the band and frequency generated by our products are harmless to the human and will not have side effects such as radiation.
There is a national flag in the upper right corner of the website, just switch it to the currency of your corresponding country.
all products In HIGHEVER are one size fits all, but don't worry, our products have great flexibility and can be freely adjusted to fit your head circumference. Even if the size is not suitable, it doesn’t matter. You can contact our customer service department via email@example.com，we will handle it for you.
Yes，all products in HIGHEVER are Washable But need to pay attention to the disassembly process.
Not independently but if you fall asleep with them on, your phone alarm will play on them.
Yes, it works better than the 4.2 type and you don't have to worry about wires.
Yes, each of the speakers is located within a pocket sewn into each side of the mask. These pockets are large enough to allow each speaker to move into a position over each ear.
It's not very likely others could hear audio from the mask unless their head was up against the listener's head. The volume of the sleep mask speakers is only loud enough to be heard when the speakers are positioned directly over your ears.