1:Open the cover and connect don't wait After successful bluetooth matching, open the cover and automatically connect to bluetooth
2:IPX4 class Deep waterproof There is no need to worry about the and rain to the headphones,IPX4 waterproof, Durable and increased service life.
3:Can be single or double share good sound quality Divided into two, equivalent to two single Side headphones, can be shared freely by one person and one ear without restrictions.