Why the bone conduction headphone are more suitable for outdoor sports?
1. Unlike traditional headphones they will block your surrounding sound more or less, so you may expose in danger while you're running or cycling.
2. Bone conduction headphones works by vibrations, sound transmit via cheekbone to your cochleas, which avoids hearing impairment compare to ordinary earphones.

User Instructions:
1. Charging
Use the Micro USB cable to charge .the red Led always lights during charging and will turn off when fully charged, it is will be fully charged within 2 hrs.

2. Pairing
When you pairing the headset bluetooth, please press the power button and hold for 3 secs to enter the bluetooth pairing mode, until you hear the voice prompt "enter pair", and then
release the power button, in between red and blue the indicator will alternately flash quickly.

Features:
ANSWER OR HANG UP: Lightly touch the play or pause button, long press to run Siri and Google Assistant.
NEXT SONG: Long press"-" for 2 secs
VOLUME: Short press "+" or "-"
CHARGING TIME: 2 hrs
CALL DURATION: 4 hrs
PLAY TIME: 5 hrs
STANDBY TIME: 7 days
BATTERY CAPACITY: 180 mA
BLUETOOTH DISTANCE: 10 Meters
PRODUCT SIZE: 5.4 x 4 x 1.5in
PRODUCT WEIGTH: 35g