Details:Stylish Wireless Bluetooth 3.0 Stereo Headset Headphone for iPhone 5 5C 5S 4S 4 iPad 4 3 2 iPad Mini Samsung Galaxy S4 S3 S2 Note 3 Note 2 HTC One M7 Nokia Lumia 925 Blackberry Z10 Smartphones PC Laptops BlackFeature:Compatible with bluetooth enabled devices(Bluetooth 3.0 or below)， such as iPhone 5， 5C， 5S， 4S， etc.This Bluetooth stereo headset lets you listen to music or phone calls wirelesslyClassic retro design perfect for listening at home，in the office and outdoorsHigh-quality speakers deliver crisp，rich soundAccept incoming calls or toggle between tracks with the touch of a buttonOmni-directional high quality microphone，sensitivity microphoneCan listen to music for 4 hours after full chargingSpecifications:Bluetooth:V3.0Charging voltage:DC 5VWorking current:23-35mATransfer distance:10mOutput power:35mWFrequency range:2.401-2.480GhzFrequency response:20-20000HzSpeaker impedance:32 ohmCharging time:1-2hHow To Use:1.First，the first time when using，long press the power switch 7 seconds and then release，the red/blue lights flash，Bluetooth headset enters into pairing state2.This moment，open your Bluetooth devices such as mobile phones to search，paired the name "BH23" you have searched with this device，if asked to enter the password，please enter 0000; then confirm.You could successfully connected to this product，after connecting，the blue light flash every 5 seconds3.If you want to play music，press the play button，or open the Bluetooth device's music player.When an incoming call，short press the answer key for telephone answering，long press to refuse to listen to4.Press for 4 seconds to boot，blue lights flashing slowly，using a Bluetooth device automatically back to the last，long press 4 seconds to shut down，the red light is brightColor:BlackHeadset only， other device not includedPackage:1xBluetooth Stereo Headset1xUSB Cable1xUser Manual