Lenovo X5 Bone Conduction Headphones 8GB MP3 Player Wireless BT5.0 Earphone IPX8 Waterproof Swimming Sports Headset Hands-free with Microphone

Features:
Bone Conduction Design:
The sound transmits through the bone to the auditory nerve, no need to put into the ear, no eardrum damage, good for the user to avoid ear disease and hearing losing.
MP3 Playing Mode:
Built-in 8GB memory capacity, you can download the music you like to this headphone via data transfer cable and able to enjoy music through MP3 play mode.
BT 5.0 Connection:
BT 5.0 ensures high data transfer speed, stable connection, and low power consumption. Free to enjoy hands-free calls or BT music via BT connection.
Born for Sports:
IPX8 waterproof and 28g light-weight design immerse you in sports and music, suitable for swimming, walking, hiking, running, climbing, skating, driving, etc.
Long Battery Life:
135mAh rechargeable Lithium battery provides about 6 hours of playback time (at 65% volume) on one full charge and the charging time is about 2 hours.