Enjoy your music with the Bluetooth On-ear headphones for Smartphones. These headphones have a 40 mm sound driver. They are equipped with quick-charging technology, replenishing your low battery rapidly. Featuring an on-ear design, these headphones are great for enhanced comfort and extended listening. These headphones have Bluetooth, so you can easily connect to your devices at any time. They have a foldable design for easy storage between uses, and a lightweight design, which gives you a comfortable fit. These headphones are equipped with a microphone for calling your friends and family.