Free Shipping Unused Black Single Ear Wireless Bluetooth Earphone Mini Ultra-Small Bluetooth Wireless Bluetooth Connection: Enjoy the freedom of wireless connectivity with these earphones that connect to your device via Bluetooth. Invisible Design: The ultra-small and invisible design of these earphones makes them perfect for use during sports or gaming without distractions. Volume Control: Easily adjust the volume of your music or calls using the built-in volume control function on the earphones. Parameters: Product Name: Bluetooth Earphones Bluetooth Version: 5.0 Bluetooth Distance: 10 meters Communication Range: 10m Charging: 1 hour charge 2-3 hours of normal use Color: Black Multi-function touch control button Automatic pairing / Automatic connection Supports Siri activation Full compatibility with IOS and Android systems Charging cable English manual No box