New Bone Conduction Sleep Bluetooth Headset Color:black Twist the screw down to

Twist the screw down to tighten the reel onto the rod

effortless zipping every time

such as straight

In ideal conditions (-18°)

Weight: 210g-0

New Bone Conduction Sleep Bluetooth Headset Color:black Twist the screw down toFEATURES Thin and Senseless delay: large moving coil speakers, with international tuning masters redesigned high school and low frequency, balanced restoration of sound hierarchy. Large capacity charging compartment: equipped with 5. 3 chip, lower power consumption, long lasting life, goodbye to frequent charging. Intelligent Noise Reduction: Adopt new voice noise reduction technology, effectively solve the interference of environmental noise during