Product information:   Color: white, pink, red, blue, black Frequency range: 2.401-2.480 Headphone type: Headset Plug diameter: Wireless Style: popular A6S Sensitivity: 99 Headset output audio: HiFi Plug type: Bluetooth Impedance: 3.2 Sound principle: moving coil Wearing method: Head-mounted Version: V5.0 EDR Transmission Distance: 10m Charging: USB TF Card Suppnt 32G Packing list: Headset X1PC   Product Image: