Bluetooth Earphone In Ear Wireless

Allow you to enjoy digital-quality music wirelessly and convert between music and phone calling mode freely.Support headset stereo devices to receive A2DP stereo music from laptop computer, tablet PC, Smartphone or an other device that supports headset stereo audio.Talk time: up to 4 hours Music time: up to 4.5 hours Standby time: up to 120 hoursSpecification of headsetHeadset version: V4.1 +EDROperation distance: 10mRange of frequency: 2.4 to 2.4835GHz ISM bandSensitivity: -85dbSpecification of MP3Headset specification: Headset 4.1 +EDRMusic format: MP3/WMARechargeable lithium battery: 80mAhSpecification of HeadphoneType: stereo headphone with MICSpeaker: 14.2mmSensitivity: 11,5dB S.RL at 1 KHZImpedance: 32 ohmFrequency response: 20HZ-20KHZRated Power: 20mWPower capabitity: 115mWCable Length: 0.6mMicrophone Unit: -58dB±3dB Package Include:1 X Bluetooth earphone1 X Retail box ( Optional )