Best Selling Items New Unique Fashion Beats HeadsetModel:STN-09PRODUCT DESCRIPTION:1.Charging voltage: Micro USB 5V2.Working current: 25-40mA3.Bluetooth Working range: 10M4.Output power : 2*20mW5.Frequency range: 2.401-2.480GHz6.Distortion factor: ≤1%7.SNR: ≥95dB8.Frequency response: 20Hz-20KHz9.Normal Working Time: Music state 6h10.Charging Time 2 hours or soFeatures* STN-09 headsets built-in microphone allows you to answer and end calls. You use the chart to execute your desired function.* Control the bluetooth device with the buttons on the STN-09 headsets.* Stereo Effect: use the white magnetic for the speaker mateiral.* Method of wearing: headband.* STN-09 headsets comes with a built-in rechargeable battery,Website:http://www.smartcoolproduct.com, prior to using it.Warranty Details:Certificates: CE,ROHS,FCTransmission distance: 10mCharging Interface: Micro USBIP Grade: IP67