Andoer 2 in 1 Car Charger & Bluetooth In-ear Headset Headphones Earphone Earpiece Combo Wireless Connection Hands-free with Microphone 5V/2.1A for iPhone 6s Plus Samsung Galaxy iPad Tablet Perfect combo of car charger & Bluetooth headset(single earpiece). Hands free: Bluetooth connection & built-in microphone for driving safety. Charge & play: works with any standard car charging slot, simply plug the car charge into the slot and connect a USB cable to charge and sync your phone. USB charging port provide fast charging, built-in battery of earpiece with long standby time. Support connect with 2 Bluetooth devices simultaneously, universal for various Bluetooth enabled devices.