Method 1 - Charging Wireless Earbuds With a Charging Case Charging Bluetooth earphones with a charging case requires the use of a lightning cable or a micro-USB cable. With earbud technology, a charging case is a must-have. The charging case works by retaining charge and using the retained capacity to charge the earbuds. Here's how to use an OTG cable to charge your wireless earbuds: Plug the OTG cable into your phone. The type of OTG cable you'll need ( micro USB or USB-C) depends on your phone's charging port. Plug the OTG cable into your phone. Connect your earbuds (or their charging case) to the other end of the OTG cable. A USB cable is the most common way to charge Bluetooth headphones/earbuds. Earbuds come with a portable charging USB cable. You can also use your mobile phone charger's USB cable for charging Bluetooth earbuds if they do not have a charging cable.. Various charging Bluetooth earphones available in the market require different USB ports; some have a micro USB port, while others have the most Many things affect the charge time of Bluetooth headphones. For example, if you've got a pair that uses the latest Quickcharge technology then it may only take 30-45 minutes to charge them completely. It also depends on whether they're charging off your phone or USB source. Vay Tiền Nhanh Ggads.

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