Description:Headphones program: Bluetooth 5.0+EDRProtocol mode: A2DP, AVRCP, HSP, HFPHeadphone channel: true stereoPrompt tone: EnglishWireless use frequency band: 2.4GhzEffective distance: 10m barrier freeMicrophone: Built-inPairing mode: automatic pairing after bootingHorn diameter: 8mmBattery capacity: Headphones 70mAhCharging box: 2500mAHHeadphones music time: 4-5 hoursHeadphone talk time: 5-6hoursBattery compartment charging interface: micro USBCharging time: 1-1.5 hourCharging box charging voltage: 5VSpecifications:1. Noise cancelling technique helps against loud and annoying noise.2. The controller was designed to control volume, select songs and take calls.3. Even wear for a long time also wont fatigue; they are less likely to fall out, and enjoy your music.4.Perfect stereo headphones with high quality drivers enables you experience natural clear and super enhanced bass sound.Package Included:1*Earphone1*Instruction Manual6*Charging cable
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