Original Bluedio HT Headband Headphones Mic Φ57mm-Driver Bluetooth V4.1 for Cellphone PC it can change modes from

it can change modes from time to date

With parking monitor

listen to music and follow GPS from your windshield or dashboard

Use Bluetooth device (Cellphone) to search the ''GFtws'' earphones and click on to link

Original Bluedio HT Headband Headphones Mic Φ57mm-Driver Bluetooth V4.1 for Cellphone PC it can change modes fromProduct Features: Superb and Clear Sound 57mm Driver Adopted 57mm driver as the audible unit, compare with competing products of 40mm driver, this item provide super powerful bass. With microphone, you can get high quality hands free phone conversation even on the street or inside a shopping mall. Incredible Battery Lifetime Up to 45 Hours This item could last up to 1625 hours in standby time, battery is not an issue anymore. Built in rechargeable