BT313 Magnetic Earbuds Sport Wireless Headphone Handsfree bluetooth HD Stereo Bass Headsets with Mic(White)

Features: 1. Magnetic suction type wearing not afraid of falling. 2. The bluetooth version is 4.1. 3. CVC 6.0 noise reduction technology to make the calling clearer. 4. Good compatibility and can be used for mobile phones with bluetooth devices. 5. The battery can be used for 5 hours and the battery life is about 130 hours. 6. Double-click on the boot button to replay the last number and it can be easy to dial back when exercising which is convenient and practical. Specification?Bluetooth version: V4.1 +EDROperation distance: 10mRange of frequency: 2.4 to 2.4835GHz ISM bandSensitivity: -85dbMusic format: MP3/WMARechargeable lithium battery: 80mAhType: stereo headphone with MICSpeaker: 14.2mmImpedance: 32 ohmFrequency response: 20HZ-20KHZRated Power: 20mWPower capabitity: 115mWCable Length: 0.6mMicrophone Unit: -58dB±3dB Parcel Include?1x BT313 Bluetooth Earphone1x USB Charging Cable1x User Manual