BL09 wireless bluetooth 5.2 headset concept bone conduction surround sound sweatproof headset

feature:
Open wireless earphone with surround directional sound field, open design, sweat proof, small body and long life
Comfortable to wear, no ear clips needed, protecting ears from harm
170mah battery life, Bluetooth 5.2 chip, lower power consumption, longer battery life, ipx5 sweatproof and waterproof.
5.2 Low power consumption is the core technology of the headset.
It uses an exquisite energy harvesting cabin design with a built-in large-capacity lithium battery to accompany your earphones.
scope:
Model: BL09
Bluetooth version 5.2:
Operation mode: button
Communication distance: 10 meters barrier-free
Headphone power: 170mAh
Music time: 13 hours
Talk time: 15 hours
Charging: 2 hours
Color: black, blue, green, red
Package Included:
1 * Headphone
1 * Charging cable