Fashion Zealot B17 Wireless Bluetooth 4.0 Headset Stereo Headphone FM Super Bass For Phones PCFEATURES:CSR V4.0 Bluetooth chip Bluetooth phoneMP3 Music Player (TF Card)Support replay cellphone number， answer/ end incoming callsBluetooth wireless music transmissionFold-able design， easy carrying and storageTechnical parametersCalling time: 6-8 hoursMusic Playing: 6-8 hoursStandby time: ≥300 hoursSNR: -80 dBDistortion: ≤ 0.1%Working Current: 35 mAFile format: MP3 / WAVTransmission distance: ≤ 10 mLi-Battery capacity: 3.7V 600MAHStandby current: <500uASize: 153X70X180mm Weight: 170gPackage including: 1* B17 Headset 1* USB charging cab1* Audio cable 3.5mm Male-Male Jack 1* ManualNotice:1.The color difference is hard to avoid in the internet sales. Generally we will adjust the colors as the same as the items，but there might be a little color difference according to different light，different monitor.2.Item will be shipped out within 1- 2business days upon your payment completed (Excluding Weekends and Public Holidays).n(*≧▽≦*)n