bone and transmits sound to the bone near the external canal, then to the auditory nerve. It avoids the occurrence of ear damage and hearing loss, giving your healthy listening. IPX6 waterproof and light-weight design immerse you in sports and music, suitable for walking, hiking, running, climbing, skating, driving, and other activities. With 32GB independent memory, it supports MP3 playback mode, and can also switch to BT playback mode.

MP3 Playing Mode: 
Built-in 32GB 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 5.3 Connection:
BT 5.3 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:
IPX6 waterproof and 33g light-weight design immerse you in sports and music, suitable for use when walking, hiking, running, climbing, skating, driving, etc.
Long Battery Life:
220mAh rechargeable Lithium battery provides about 7 hours of playback time (at 60% volume) on one full charge and the standby time can last to 20 days.

Specifications:
BT: V5.3
Operation range: Up to 10 meters (no obstacle)
Frequency Range: 20-20KHz
Impedance: 8ohm
Microphone Sensitivity: -38±2dB
Battery Capacity: 220mAh
Music Playing Time: up to 7 hours (depends on music volume)
Standby Time: about 20 days
Charging Time: about 2 hours
Music Format: MP3
Color: Black
Main Item Size: Approx. 14.0*10.3*4.5cm/5.51*4.05*1.77in
Main Item Weight: Approx. 33g/1.16oz
Package Size: Approx. 17.0*13.5*5.4cm/6.69*5.31*2.12in
Package Weight: Approx. 199g/7.02oz

Package List:   
1 * Bone Conduction Headphone
1 * Pair of Earplug
1 * Type-C Charging Cable
1 * User Manual (English/Chinese)