Wireless sports headset

Wireless sports bluetooth headset headset folding 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.