XMENHA Out of Ear Single Wireless Open Ear Headphones OWS Hanging Earphones Bluetooth Earbud One Ear Phone Headset Earpiece Blue Tooth Headset with Microphone Running Headphones Over Ear with Ear Hook Color:Black which means the charging case

which means the charging case can provide 6 times extra charging power for invisible earbuds

Engineered for glasses-friendly comfort

Playing time: 10+20 hours with charging box

ensuring a comfortable and secure fit without irritation during extended use

XMENHA Out of Ear Single Wireless Open Ear Headphones OWS Hanging Earphones Bluetooth Earbud One Ear Phone Headset Earpiece Blue Tooth Headset with Microphone Running Headphones Over Ear with Ear Hook Color:Black which means the charging caseSingle Open Ear Design: The open ear design of the single headphones helps you stay aware of your surroundings. The built in, rotatable headband can easily be turned 180 and worn on either the left or right ear Light and painless: The single Bluetooth earphone uses the ear hook and transmits sound through vibration. The open ear earbuds are so light that you will forget they are there after wearing them for a long time HiFi Stereo Sound and Clear