Overview: Real materials will give you a better life experience. Lightweight protection machine, real machine mold opening, restore the bare-metal feel. A variety of colors can be selected, there is always a color that belongs to your personality. Specification: Transmission range: 10 meters Features: Call function, NFC function, voice control, music support, multi-point connection Bluetooth protocol: 5.0 Sound channel: stereo Usage: earplug type Monoaural or not: bilateral stereo Package Content : Plastic charging case *1 The headset * 1pair