Features:100% Brand new and high qualityWireless headset design, very convenient.Wireless chat and the base can be charged.Bass effect and unique wave form.Suitable for: MP3, portable CD players, portable VCD/DVD etc.Specifications:Model NO: NX-8252Bluetooth: V3.0+EDRBluetooth Profiles: HSP,HFP,A2DP,AVRCPEffective Range: 10 MetersMusic Time: 10 HoursTalk Time: 10HoursStandby Time: 180HoursInput: DC:5V/400mAhCharge Time: About 2 - 3 hoursCharge Port: USBBattery Type: LithiumBattery Capacity: 300mAHMicrophone: SupportSensitivity: -583dBDiameter: 40mmSensitivity: 105dB3dBDistortion: 1% At 1KHzPower To Bear: 30mWResistance: 32Dimensions: 17*17.5*8CMColor: white, white and blue, black, black and redPackage List:1 x Headphone1 x Cable1 x Audio Cable1 x User Manual1 x Package boxNotesDue to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you