Instruction Manual

Battery charging
The headphone’s battery must be recharged before use.
Headphone’s battery must be charged with the Type C cable included in package as accessory.
Connect the Type C in the cable to the appropriate charging port of the headphone, and the USB plug on the other end to
a USB port on a computer or wall charger.
When recharging begins, the LED indicator on the headphone will light red.
Full recharging requires about two hours; when recharging is completed, the Red LED indicator will turn Blue.
When the battery is approaching depletion, will be heard “Battery low” in the headphone at 30s intervals.
Note
Battery recharging time and using time may vary depend on ambient temperature and frequency of use.
Do not place metal objects near the headphone’s charging port, since dangerous electrical shorts or abnormal heating
may occur.
Please don’t attempt to change the rechargeable lithium battery that should last the lifetime of the headphone.
Please don’t dispose used batteries/electronics with ordinary solid waste, since they contain toxic substances.
 Please turn off your headphone and ANC function after your usage to get a longer battery life.
Pair headphone with Bluetooth devices
1. Hold MFB button for three seconds before you hear Power on. The blue LED indicator flashing three time, and then
enter the pairing mode (the LED indicator’s flashing blue and red)
2. When in the paring mode, if pairing is not completed within around 90s, the headphone will enter standby mode, and
you have to restart for pairing. The headphone will automatically turn off within 5 minutes if no action.
Turn on the bluetooth device you wish to pair with, and keep it within one meter range of headphone. Search for the
pairing name “
VT‐H151” in your device pairing list.
Select/click pairing name “VT‐H151” till you hear voice “collected”
Paired headphone will flash blue LED at the intervals of three seconds.
Notes: 1. When the headphone already paired with a device, it will alternately connect when both devices powered on
and stay within 1m. If you want to pair with another device, please disconnect the previous device first.
2. If the pairing is not successful, please switch off headset firstly and then re- pair again.
Noise Canceling Function
When you click the Noise Canceling button , the indicator will turn on, then you can enjoy the headphone in Noise
cancellation mode. When you don’t need the Noise cancellation function, please click the NC button again.