Wearable Wireless Bluetooth Headset Card Computer Mobile Game Headset

Product information:Transmission range: 10 metersFunction: battery display, call function, voice control, support musicBluetooth protocol: 5.0Channel: StereoHow to use: head-mountedParameter:Product Model: ZL B19 HeadphonesBluetooth solution: Bluetooth V5.0, high-definition call surround sound qualitySignal-to-noise ratio: 75dBFrequency Response: 20Hz-20KHzOutput power: 90mwPlaying time: 6-8 hoursCharging time: 1-2 hoursCommunication time: barrier-free 15 metersHeadphone battery capacity: 500mAhPacking list:A set of earphones + Android charging cable + Chinese and English instructions*1