The Bluetooth earphone is directly imported from China. You will get 4 hours of video play backup time and 5 hours 30 minutes plus of audio play backup time with it. You can use it on your left ear. Once worn in the ear, it will not fall off, not even if you run. You do not need to pay any advance money to buy this. Provide your address, mobile number and you can order without any advance money. You can pay after receiving the product in hand. If you like the product then take it, if you don't like it then don't. If you want to take the product then order, if you don't want to buy then do not order unnecessarily. Contact mobile numbe WhatsApp is available on this number. You can watch the video by visiting the Facebook page link.