SPECIFICATIONS

Active Noise-Cancellation: Yes
Brand Name: WYMECT
Category: Earphones & Headphones
Choice: yes
Communication: Wireless
Control Button: Yes
Hign-concerned Chemical: None
Material: ABS
Origin: Mainland China
Style: In-ear
Vocalism Principle: Other
Volume Control: Yes
Wireless Type: Bluetooth
semi_Choice: yes

Product Features
Waterproof, Noise Cancelling, Microphone, Music play/pause, connect/hang phone, reject call, up and down song switching, binaural HD call.
Waterproof ：Waterproof for Life care ( Sweatproof,rainproof,splashproof .Can't use for diving,shower etc. )
Connection method ：single/double free to use

Product Description:
Material ： PC+ABS
Working distance ： About 10m
Charging input voltage ： 5V
Charging case capacity ：300mA
Charging Time ：1~2 hours
Standby time ： About 120H
Talking Time ： 3-4 hours (1 time full charged )

Notes:
If the headset you received has only one earbud to use for the first time, then you can do as I said, delete the bluetooth name in the phone, take all the earbuds out of the charging box, and then pair it again
Can be used with one ear and two ears, not all earbuds on a single device.