Bone Conduction Design: The sound transmits through the bone to the auditory nerve, no need to put into the ear canal, no eardrum damage, good for the user to avoid ear disease and hearing losing
High and low not to mention promium pitch technology enables X4 to have higland middle bass that is not inferior totraditional headphones wide sound strong sound quality good sound quality without hurting the ears
Born for Sports: No need to worry about sweat and splashing water. Ergonomic and 25g lightweight design ensures wearing comfort and stability, suitable for hiking, running, cycling, climbing, driving, etc
BT 5.0 Connection: BT 5.0 technology enables stable connection, fast transmission speed and low power consumption. Free to enjoy hands-free calls or BT music via BT connection
Long Battery Life: 180 mAh rechargeable lithium battery provides about 10 hours of playback time on one full charge. And can be recharged via the included charging cable