Product name: GB-16AW
Color: black and red, color, rose gold
Tooth version: 4.1
Charging time: about two hours
Wearing method: head-mounted
Talk time: 20- 24 hours
Speaker diameter: 40mm
Listening time: 16-20 hours
Frequency range: 20-20KHz
Impedance: 32 ohm
Transmission distance: 40M

Sensitivity: 118dB

You use this headset correctly, L is the left side, and R is the right side. And please use the earphones at an appropriate volume, so as not to damage your hearing while enjoying beautiful music.
-Do not pull the headphone cord forcefully to avoid breakage.
-Do not use headphones when driving a car or bicycle, otherwise it may cause a traffic accident.
-The specifications and appearance are subject to change without notice.