Bluetooth Neckband Earphones TF Card Support

. Superb sound quality headset with wireless V4.2 for best stereo sound and superb bass sound2. With the built-in mic you can easily take calls and voice dialing3.Built-in Lithium-polymer battery, make you enjoy music or watching TV and films for a longer time4. Larger wireless range make the mini headphones extraordinary, up to 30ft wireless range in the open space5. Easy to use technology with voice notification of incoming calls and phone numbers6. Easy to use buttons allows/play/pause on all your music tracks7. Soft material to protect ears, make your phone call and music time more comfortable8. Sweat-proof construction is perfect for sports, running, jogging and gym exercise, watching TV or sleep9. Recording Function10. Magnetic FunctionSport  Bluetooth earphone necklace ,metal Magnetic wireless headphone , Hi Fi stereo sound with in line control buttons , microphone and external memory card space for mobile phone , tablet , computer , noise cancelation technology , 4.2 Bluetooth version , ergonomic design for sort or work multiple compatibility and dual connectivityBluetooth Sports Earphones Sport Headset Support MP3 TF Card Playback BT Call Stereo Earphone With Big Build In BatteryBluetooth Sports Headphone Sport Headset Support MP3 TF Card Playback BT Call Stereo Earphone With Big Build In Battery.microphone and external memory card space for mobile phone , tablet , computer , noise cancelation technology , 4.2 Bluetooth version , ergonomic design for sort or work multiple compatibility and dual connectivityBluetooth Sports Earphones Sport Headset Support MP3 TF Card Playback BT Call Stereo Earphone With Big Build In BatteryBluetooth Sports Headphone Sport  .  Sport  Bluetooth earphone necklace ,metal Magnetic wireless headphone , Hi Fi stereo sound with in line control buttons , microphone and external memory card space for mobile phone , tablet , computer , noise cancelation technology , 4.2 Bluetooth version , ergonomic design for sort or work multiple compatibility and dual connectivityBluetooth Sports Earphones Sport Headset Support MP3 TF Card